3 5/16" x 7 1/8" + Flap, Crystal Clear Bags® (100 Pieces) [B37]

In stock
  • Buy 1 pack of 100 for $4.93
       100 pieces @ $0.0493 each = $4.93
  • Buy 10 packs of 100 for $3.73 each and save 24%
       1000 pieces @ $0.0373 each = $37.30
  • Buy 30 packs of 100 for $3.23 each and save 34%
       3000 pieces @ $0.0323 each = $96.90
  • Buy 110 packs of 100 for $2.53 each and save 49%
       11000 pieces @ $0.0253 each = $278.30
  • Buy 300 packs of 100 for $2.03 each and save 59%
       30000 pieces @ $0.0203 each = $609.00
  • Larger orders, please contact us for pricing.
Crystal Clear Flap Seal Bags are the perfect packaging solution for stationery, art, photos, candy, and much more. B37 measures 3 5/16" x 7 1/8" and fits a 3" x 7" flat product up to 1/8 inch thick. These cello bags have an adhesive on the flap for a secure closure. Just peel and seal.

For a convenience and affordability, our Crystal Clear Flap Seal Bags are a great choice. B37 is a clear cello bag that has an adhesive seal on the flap, making it easy than ever to package a wide variety of products. Measured at 3 5/16" x 7 1/8", our B37 bag is ideal for a 3" x 7" flat product up to 1/8 inch thick. Package stationery, photos, art, paper product, candy, cookies, and more. This bag is made high-quality BOPP material for exceptional clarity and durability. Not only is this cello bag archival safe, but it is FDA approved for food products as well. The adhesive closure allows you to adjust the bag height for a customized fit.

Product Details:

  • Pack Quantity: 100
  • Color: Clear
  • Thickness: 1.6 mil
  • Material: BOPP (Biaxially Oriented Polypropylene)
  • Outer Dimensions: 3 5/16" x 7 1/8"
  • Closure: Flap Seal (adhesive on flap)
  • Heat Sealable: Yes
  • Food Safe: Yes

Features & Benefits:

Crystal Clear Flap Seal Bags have the following features:

  • Crystal Clear Optical Clarity
  • High quality material will not easily rip, tear, wrinkle, or fog
  • Resealable adhesive strip on the flap of the bags (allows you to customize the fit)
  • Fast insertion and sealing
  • Acid and lignin free
  • Archival safe
  • USPS approved (Tell me more)
  • Made with 10% recycled content


Most popular use is for a 3" x 7" flat product.

This product works well with the following:

  • Art
  • Photos
  • Stationery
  • Candy
  • Crafts
  • Bulk Mail
  • ...and more!

You Might Be Looking For:

  • For a smaller product with a protective closure (adhesive on body of bag), see B3H5PC
  • For a shorter version of this bag, check out B3X5W
  • For a larger version of this bag, try B37M
  • For our full line of Flap Seal Bags, click here

Additional Information:

  • Flap seal bags come with an adhesive strip on the flap, which can be folded and sealed over the bag’s opening. The flap seal allows for items to be smaller than the height of the bag, as the flap seal can be folded past the opening of the bag if needed.
  • Video: Flap Seal Bags Explained
  • Bag sizes indicates the opening side as the first dimension
  • Bag dimensions have +/- 1/16" size tolerance
  • Custom printing and sizing available (Visit our customs page for more information)
More Information
Pack Quantity 100
Color Description Clear
Thickness 1.6 mil
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