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Letter Size Poly Binders


These plastic ring binders are made of a poly plastic material that is more durable than traditional vinyl binders, as it wont crack or tear, and can easily be cleaned if spilled on, without damaging the integrity of the binder. This makes them an ideal choice for schools. churches or businesses where they will be handled frequently. We have a large selection of colors to choose from, including tinted semi-translucent options, as well as a selection of ring sizes for different capacities. You can also choose the thickness of the poly material itself, selecting from thin and flexible 23 gauge, up to thick and rigid 55 gauge. When you buy letter size poly binders online, please note that they are made-to-order, so have a standard production time of about 6 - 7 business days and are non-returnable.

PRODUCTION TIME: 6-7 business days (made to order)
NOT RETURNABLE: All sales are final.

Starting at: $141.99
Qty/Pack : 100 Pieces

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Packaged Quantities

  Ring Size     Quantity of Binders  
  All Sizes     100 Binders

Product Description

Poly binders are one of our favorite products. They are popular among our customers because they offer durability, are easy to keep clean. These binders are available in a wide range of colors, assorted ring sizes and different thicknesses so you can have us build the perfect binder for your needs.  

Letter Size Poly Binders are made to fit 8.5" x 11" sheets (with index tab allowance).  The long lasting poly material is manufactured using up to 75% PCW (post-consumer waste).  The binders will not crack or tear and can be wiped clean with water, disinfecting wipes, etc... making them perfect for schools, offices, hospitals, construction companies, manufacturing facilities and more!  

Since these poly binders are made-to-order, we cannot accept any returns.  The standard production time is 6 - 7 business days, before shipping.


Capacity Chart:

How to Measure a Ring Binder: For round ring binders, measure the inside of the ring diameter from one side to the other. Do not measure the spine.

Ring Size (Inside Ring Diameter)     
  1/2" Ring   
  3/4" Ring   
  1" Ring   
  1-1/2" Ring    
  2" Ring  
Sheet Capacity (20# Bond Paper)   
  110 Sheets  
  170 Sheets   
  225 Sheets  
  310 Sheets   
  450 Sheets  







Poly Gauge Thickness Chart:

The poly "gauge" indicates the thickness of the material. Poly comes in several different thicknesses from 20 gauge up to 55 gauge. Polypropylene colors come in 23, 35 or 55 gauge standard. Even a 75 gauge is available for special-order (Call us at 866-537-2244 for a quote). Polyethylene colors come in 20 or 30 gauge thicknesses. Use the gauge conversion and selection chart below to help narrow down what thickness is best for you.

  20 & 23 Gauge   
  30 & 35 Gauge       55 Gauge    

  The light weight polypropylene
  (20 gauge) and polyethylene
  (23 gauge) options are a great
  choice for schools, churches, or
  any organization that needs to
  save on costs and doesn't need
  a thick binder. They are very

  The medium weight polypropylene
  (30 gauge) and polyethylene
  (35 gauge) options are the perfect
  medium thickness that offer a mix of  
  economical pricing and extra durability.
  This most popular option is semi-rigid
  and perfect for nature groups, traveling
  sales people & anyone else who would  
  benefit from a durable, yet fairly
  lightweight binder. 
  The heavy weight polyethylene
  (55 gauge) options are rigid and
  difficult to bend, making them even
  more durable, and easier to stand  
  on its own. Great for businesses or
  heavily handled binders.   
  Gauge Conversions   
  20 Gauge = 0.20 Mil, 0.00020 Inch   
  23 Gauge = 0.30 Mil, 0.00023 Inch  
  30 Gauge = 0.30 Mil, 0.00030 Inch  
  35 Gauge = 0.35 Mil, 0.00035 Inch   
  55 Gauge = 0.55 Mil, 0.00055 Inch  














For even more customization, we offer printing, custom sizes, pockets, and more.  Visit our custom poly binder page for more information or call our knowledgeable customer service team at (866)537-2244 to request a custom poly binder quote today!

* Rated based on standard 20 lb. bond copy paper. May vary depending on paper stock.


Manufacturer Crawford Industries
Quantity 100 Pieces
Sheet Size Letter Size [8 ½" W x 11" H]
Number of Rings 3-Rings
Ring Spacing 4-1/4" Between Rings [Center to Center]
Ring Shape Round Ring
Clear Overlay Pockets None
Inner Pockets None
Rivets Exposed [Silver]

User Reviews

Durable, flexible, colorful... but high quantity minimumReview by Leslie
They sent me a couple samples for just $1 so I could see the thickness differences before buying a full case, and present them to the teachers. Personally I like the 55 gauge the best because it is significantly more sturdy than the 23 and 35, however, my school went with the 35 gauge option to keep within budget, which was still nice. I really love the variety of colors available (especially the tinted colors!). I just wish I was able to buy smaller batches (they have a 100 minimum) and maybe even a variety pack with different colors. (Posted on 3/18/16)

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