There is no definitive answer to this question as it depends on the application. D rings are typically used for light duty applications, while O rings are used for heavier duty applications.
D-ring binders are often seen as the superior choice when compared to other types of binders, such as those with O-rings. The main reason for this is that D-ring binders can hold more pages than binders with O-rings. This is because the D-ring shape allows for more space between the rings, meaning that each page can be turned more easily. Additionally, D-ring binders tend to be more durable than their O-ring counterparts, meaning that they will last longer and won’t need to be replaced as often.
As of September 2019, Trapper Keepers are still being manufactured and sold by Mead.
There is no evidence that binders permanently flatten your chest. In fact, binders are often used to temporarily reduce the appearance of breasts for cosplay or other purposes. If you're concerned about your health, talk to your doctor about whether binding is right for you.
4.2/5
3 D-shaped rings; rings hold up to 50% more than same-size round rings and up to 20% more than slant rings
Measures 12.4 by 11.8 by 3.9 inches (LxWxH); backed by an AmazonBasics 1-year limited warranty
Binder thickness measured by ring size, not the spine
Full-length clear pockets on front cover, back cover, and spine for easy customizing; 2 half-length interior pockets for storing loose sheets
Heavy-duty binder (4-inch, black, 2-pack) for extended use; holds 8.5-by-11-inch documents; 780-sheet capacity
EZ one-touch opening mechanism; ideal for organizing projects, presentations, and more
$234
These binders are used by my children to store all of their term papers and schoolwork. By the end of the semester, they are always full, and frequently the clips are out of alignment, making it difficult to shut the rings without manually adjusting each page. The paper eventually catches. These binders are sturdy but cost less than what I paid for their brand at an office supply store. I'm thrilled to have two of everything! I'll keep purchasing these going forward.
4.2/5
3 D-shaped rings; rings hold up to 50% more than same-size round rings and up to 20% more than slant rings
EZ one-touch opening mechanism; ideal for organizing projects, presentations, and more
Full-length clear pockets on front cover, back cover, and spine for easy customizing; 2 half-length interior pockets for storing loose sheets
Measures 11.8 by 11.8 by 3.6 inches (LxWxH); backed by an AmazonBasics 1-year limited warranty
Heavy-duty binder (3-inch, black, 2-pack) for extended use; holds 8.5-by-11-inch documents; 670-sheet capacity
Binder thickness measured by ring size, not the spine
$234
These binders are used by my children to store all of their term papers and schoolwork. By the end of the semester, they are always full, and frequently the clips are out of alignment, making it difficult to shut the rings without manually adjusting each page. The paper eventually catches. These binders are sturdy but cost less than what I paid for their brand at an office supply store. I'm thrilled to have two of everything! I'll keep purchasing these going forward.
4/5
Slant-D rings hold 25% more material than standard round rings
Clear overlay for customization on all three sides
White
Cover board made from 100% recycled fiber with at least 98% post-consumer fiber
Holds 11-inch x 17-inch sheets
$234
A large format binder was necessary for me to save some oversized sketches. I love this binder. There is no struggle to open the rings; they open and close effortlessly. Additionally, the rings entirely close to prevent the goods from being stored from slipping out. I don't know if the pages warp when kept vertically because I don't try; I only store it horizontally.
3.9/5
Gusseted zipper allows access to inside file
Built-in handle and shoulder strap
5-color tabbed expanding file. item dimension ( Length: 13.12, Width: 13.50, Height: 3.44 inch )
3-ring zipper binder with 3-inch O-rings
Unique angled zipper design for easy opening and closing
$234
August 2013: Normally, I wouldn't post a review for a binder with only 134 reviews, but some of the reviews have been unfavorable, and I think this is a good binder. My two children, who will be entering the seventh and ninth grades respectively, require "huge" binders since each teacher expects them to have a tabbed section for their class. I therefore have experience trying to find binders that are 3.5 "for three years, wider or wider at the spine. It's my fourth year. These kinds of binders aren't usually the strongest. I've needed to buy a new binder half way through the school year or earlier twice. Although my kids haven't used them yet, this binder seems more robust than many I've seen or bought. Metal makes up the three rings as well as the "tabs" on top and bottom used for ring opening. My sons' binders from the previous year had plastic tabs instead of metal rings, so of course they broke. The metal "tabs" shouldn't be a problem in this situation.The stiff front and back covers, which are made of an unknown hard cardboard or plastic and wrapped in "fabric," are exceedingly rigid. I'd say they're stiffer than some of the notebooks my sons have previously used. So I anticipate it to last longer than some previous binders.If you don't want to put this notebook in your backpack, it also has a handy grip along the spine and a long, adjustable strap for carrying the binder.The answer to the problem of this binder not fitting into a backpack when multiple bulky textbooks are present (as mentioned by another reviewer) is to buy a sizable backpack with a sizable base or bottom. As an illustration, this binder fits well in the Dakine 33-Litre Campus Pack and Dakine Campus Laptop Backpack, whose base/bottom measures 9.5"X8" and spreads to 13", respectively "in the center. The basic size of a school bag matters more than its volume. I am aware of this because I have tried other packs with a similar or higher volume. But because the base/bottom size is more crucial for carrying books, they didn't function as well for school bags (as opposed to camping, hiking, etc.) order the appropriate pack.I do concur with an earlier reviewer that the part devoted to accordion files is a waste of space. However, it doesn't occupy much space and is simple to remove with scissors.Update (October): These binders are still in good shape and doing what they are intended to after one quarter (and three to go). The rings work without a hitch. No edges that are frayed or missing. No tears, rips, etc.REVISION (December): The semester is nearly done (1 week left), and this binder has performed admirably. I really mean that. My high school freshman is really busy. And by "jam packed," I mean that it is completely full! We will go over it over Winter Break and store anything he doesn't believe he needs in his desk so he has space to "jam pack" it during the second semester. Everything, including the bindings, is still in place. The three metal rings continue to function.The school year will end in three weeks, and this binder is still in good shape. Even my kids might be able to use it the following academic year. Excellent value and purchase!January 2015 Update: Through the first semester, my younger kid is still using the same binder from the previous year. Since he has "A" and "B" days in high school, my elder son only needed to carry one smaller binder for 3–4 classes every day rather than one large binder for 6 classes. He actually wanted two smaller ones. I gave him two of the exact same brand, just smaller and thinner. But to THIS binder, "oooh" and "ahhh." It has been going strong for 1.5 years!Final revision: March 2016 Now, I only purchase this brand for my boys. They genuinely are incredible. After using his first one for 1.5 school years, my younger son's rings were damaged (perhaps due to him, though I'm still dubious about that), so I had to buy him a new one. He would have continued using it if I were in a "pinch" financially because it was more annoying than useless. Depending on the needs of my kids, I have since purchased this brand from Amazon in a variety of sizes, and they are all equally sturdy.We are grateful to Case It for producing a robust binder in a selection of colors and sizes.
3.9/5
CHOOSE STOCK-UP WORTHY 4 PACKS: Get four Cardinal 1.5 inch D-Ring Presentation View Binders in black, red, blue and green at a great value that will inspire you to stock your shelves now
KEEP YOUR RECYCLING COMMITMENTS: Cardinal cover boards are made from 100% recycled fiber with at least 98% post-consumer fiber
BUILD A STUNNING PRESENTATION: All 3 sides of your ClearVue binder are customizable for a coordinated look, front, back and spine; an ideal look for reports, budgets or conference materials
THEY STICK AROUND BUT THEY'RE NOT STICKY: Ever re-use a binder to find ink and images still clinging to the covers? Our binders are PVC-free and non-stick so ink stays put & binders have a second life
STORE MORE IN THE SAME SPACE: These Slanted D-ring binders can hold 25% more sheets than a round-ring binder of the same or similar size to fit up to 375 sheets; the slanted mechanism not only stores more, it allows you to turn pages more easily
$234
These have good D-rings, clear sleeves, and are a touch better than economy binders. The drawback for me was that I got 2" binders in place of them. I'll use them eventually, but it's annoying to have to place another order after the semester started to obtain the appropriate size.
3.9/5
CHOOSE STOCK-UP WORTHY 4 PACKS: Get four classic white Cardinal 1.5 inch D-Ring Presentation View Binders at a great value that will inspire you to stock your shelves now
THEY STICK AROUND BUT THEY'RE NOT STICKY: Ever re-use a binder to find ink and images still clinging to the covers? Our binders are PVC-free and non-stick so ink stays put & binders have a second life
STORE MORE IN THE SAME SPACE: These Slanted D-ring binders can hold 25% more sheets than a round-ring binder of the same or similar size to fit up to 375 sheets; the slanted mechanism not only stores more, it allows you to turn pages more easily
BUILD A STUNNING PRESENTATION: All 3 sides of your ClearVue binder are customizable for a coordinated look, front, back and spine; an ideal look for reports, budgets or conference materials
KEEP YOUR RECYCLING COMMITMENTS: Cardinal cover boards are made from 100% recycled fiber with at least 98% post-consumer fiber
$234
These have good D-rings, clear sleeves, and are a touch better than economy binders. The drawback for me was that I got 2" binders in place of them. I'll use them eventually, but it's annoying to have to place another order after the semester started to obtain the appropriate size.
3.8/5
Wide front and back binder panels fully cover standard dividers and sheet protectors. Organize and secure paper with four stacked pockets.
One Touch rings open and close with ease and keep pages secure. Gap Free ring prevents gapping and misalignment of rings.
Deep texture film offers a smoother finish and features a linen pattern for high-quality look and feel.
Pages lie flat with back-mounted rings.
DuraHinge design is stronger lasts longer and resists tearing and Dredge feature makes the sides and top more pliable to resist splitting.
$234
These binders are ideal for what I need them for. I use 8.5x11 sheet protectors "The front and back binder panels fully enclose the papers. Additionally, those panels fully enclose the tabs on the page dividers that typically protrude past the binder's sides. This is significant. The front and back panels are exactly the same size as other binders I've tested, which are surprisingly too narrow to accommodate the identical sheet protectors and tabbed page dividers. The actual measurement is 11.25" from the crease (or hinge) where the panels join the 3" wide spine to the other long edge. The manufacturer (Avery) changed the configuration of the rings and put the ring mechanism approximately a 1/2 inch from the back panel "nearer the spine As a result, the tabs on the page dividers do not protrude at all. The dimensions given in the item description are not even near to reality, which is why I only awarded it four instead of five stars. As a result, it has been difficult for me to find a binder that would entirely cover the tabs. Even in the Amazon promotional film for these binders, the page divider tabs are visible sticking out. These mistakes need to be fixed by someone at Amazon or Avery.
3.8/5
Heavy Duty view binder allows for customization on spine, front and back covers
Designed to be stronger and more durable than basic binders, this white heavy duty binder features a tear resistant spine (DuraHinge) and more flexible, split resistant edges (DuraEdge)
Extra storage with 4 interior clear pockets; all Heavy Duty binders are made with nonstick PVC free material—no ink transfer
Slant ring holds 40 50 percent more paper than basic 3 inch binder; 670 sheet capacity
Secure but easy to open; One Touch slant rings are back mounted, gap free and release at the touch of a button
$234
These binders are ideal for what I need them for. I use 8.5x11 sheet protectors "The front and back binder panels fully enclose the papers. Additionally, those panels fully enclose the tabs on the page dividers that typically protrude past the binder's sides. This is significant. The front and back panels are exactly the same size as other binders I've tested, which are surprisingly too narrow to accommodate the identical sheet protectors and tabbed page dividers. The actual measurement is 11.25" from the crease (or hinge) where the panels join the 3" wide spine to the other long edge. The manufacturer (Avery) changed the configuration of the rings and put the ring mechanism approximately a 1/2 inch from the back panel "nearer the spine As a result, the tabs on the page dividers do not protrude at all. The dimensions given in the item description are not even near to reality, which is why I only awarded it four instead of five stars. As a result, it has been difficult for me to find a binder that would entirely cover the tabs. Even in the Amazon promotional film for these binders, the page divider tabs are visible sticking out. These mistakes need to be fixed by someone at Amazon or Avery.
3.6/5
Removable zippered pencil pouch included
Velcro dividers secure contents
Two sets of 1.5-inch D-ring metal rings with boosters makes this two binders in one
Constructed of Tri-lobal nylon with a built-in handle and shoulder strap
Unique angled zipper design for easy opening and closing
$234
My (middle school) children have to carry an absurd number of belongings from class to class because they do not have lockers at their excellent school. The organizing of items that kids need to reach more quickly and frequently thanks to this item makes it very impossible to act slobbishly about it (since if you'd seen my son's room, you'd welcome any assistance). The fact that there are D-rings on either side helps prevent the accumulation of folders and papers that would occur in a single-ring binder. This makes browsing the material much simpler. The organizers that have been added on either side are also a wonderful touch. The only issue I have is that this binder won't close if you intend to fill it with as many objects as a typical pencil pouch could logically contain because of the inside space relative to the pencil pouch (and that was before the first day of school without papers in it). Not that I'm trying to smuggle an elephant in, but it would be good to have a few pens, pencils, and highlighters.
D ring binders do tend to hold more pages than other types of binders, simply because of the way that the rings are designed. The rings themselves are larger and can hold more pages securely, meaning that you can fill up a D ring binder more before it starts to feel overloaded.
There are a few things to consider when purchasing a three ring binder. First, decide what size binder you need. Three ring binders come in a variety of sizes, from small to large. Second, decide what type of binder you need. Three ring binders can be made of plastic, metal, or fabric. Each type has its own advantages and disadvantages. Third, decide what features you need. Three ring binders can have a variety of features, such as pockets, zippers, and straps. Once you have considered these factors, you can narrow down your choices
When it comes to choosing the right binder, there are a few things you'll want to keep in mind. First, consider what type of materials you'll be storing in the binder. If you're just looking to store standard paper documents, a basic 3-ring binder will suffice. However, if you're looking to store more delicate items like photographs or artwork, you'll want to choose a binder that's specifically designed for that purpose. Another thing to keep in mind is how much space you need. binders come in a variety of sizes, so be
D ring binders are a great way to keep your documents organized and together in one place. Depending on the size of the D ring binder, they can hold anywhere from 100 to 400 pages. This makes them perfect for storing everything from class notes to important work documents.
There are a lot of people who are looking for a safer alternative to binding, and TransTape may be the answer. TransTape is a medical-grade adhesive that is designed to hold transdermal patches in place. It is also hypoallergenic and latex-free, which makes it a good choice for people with sensitive skin. TransTape is also easy to remove, so it won't leave any residue behind.
D-rings are often used as attachment points for webbing or straps on packs, belts, and harnesses. They can also be used to connect two pieces of webbing together.
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