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Flap Seal

Flap Seal Bags

Our Most Popular Bags!

Ideal for art, photo, stationery, bulk mail, craft & hobby, and just about anything else.

  • Adhesive on the Flap allows you to adjust the length to create the perfect fit.
  • USPS Approved.
  • Custom printing and sizes available
  • Watch our video below to learn more.

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  1. 2 11/16" x 3 9/16" + Flap, Crystal Clear Bags (100 Pieces) [B2M]

    Holds a Single 2 1/2 x 3 1/2 card or print, a thin 4 ply backing or single mat will be very snug. Our top selling Crystal Clear Flap Seal Bags are ideal for art, photo, stationery, bulk mail, craft & hobby, and just about anything else. These bags have optimal clarity and durability. Adhesive strip is on the flap. USPS Approved. Learn More
  2. 3 11/16" x 6" + Flap, Crystal Clear Bags (100 Pieces) [B3X6]

    Ideal for a #6.25 envelope 3 1/2 x 6. Crystal Clear Flap Seal Bags are ideal for candy, treats, chocolates, photo, stationery, craft & hobby product. These bags have optimal clarity and durability. Adhesive strip is on the flap. Learn More
  3. 3 11/16" x 7 5/16" + Flap, Crystal Clear Bags (100 Pieces) [B37M]

    Ideal for 3 1/2 x 7 1/4 flat product no more than 1/8 inch thick, or 3 1/4 x 7 up to 3/8 inch thick. Crystal Clear Flap Seal Bags are ideal for candy, treats, chocolates, photo, stationery, craft & hobby product. These bags have optimal clarity and durability. Adhesive strip is on the flap. Learn More
  4. 3 11/16" x 8" + Flap, Crystal Clear Bags (100 Pieces) [B3X8]

    Fits a thin flat 3 1/2 x 8 card or envelope, or 3 1/4 x 7 3/4 product up to about 3/8 inch thick. Crystal Clear Flap Seal Bags are ideal for candy, treats, chocolates, photo, stationery, craft & hobby product. These bags have optimal clarity and durability. Adhesive strip is on the flap. Learn More
  5. 3 3/4" x 8 1/4" + Flap, Crystal Clear Bags (100 Pieces) [B83]

    Holds flat thin product 3 1/2 x 8, or 3 1/4 x 8 up to 1/4 inch thick. Crystal Clear Flap Seal Bags are ideal for candy, treats, chocolates, photo, stationery, craft & hobby product. These bags have optimal clarity and durability. Adhesive strip is on the flap. Learn More
  6. 3 13/16" x 5 3/16" + Flap, Crystal Clear Bags (100 Pieces) [B3X5]

    Our B3X5 flap seal bag holds a single 4 Baronial or A1 size envelope and card. At 3 13/16" x 5 3/16" this bag is also a great option for a 3 1/2 x 5 cm or 9 x 12 cm art and photos with mats and backing up to 1/8 inch. Learn More
  7. 3 13/16" x 5 9/16" + Flap, Crystal Clear Bags (100 Pieces) [B3X5XL]

    Ideal for 3 1/2 x 5 1/2 flat product. Our top selling Crystal Clear Flap Seal Bags are ideal for art, photo, stationery, bulk mail, craft & hobby, and just about anything else. These bags have optimal clarity and durability. Adhesive strip is on the flap. USPS Approved. Learn More
  8. 3 15/16" x 5 1/4" + Flap, Crystal Clear Bags (100 Pieces) [B3H5]

    Holds 3x5 inch, 9x12cm, pieces up to just more than 1/4 inch thick, and fits as single M3 announcement envelope 3 3/4 x 5 1/4. Our top selling Crystal Clear Flap Seal Bags are ideal for art, photo, stationery, bulk mail, craft & hobby, and just about anything else. These bags have optimal clarity and durability. Adhesive strip is on the flap. USPS Approved. Learn More
  9. 3 15/16" x 5 11/16" + Flap, Crystal Clear Bags (100 Pieces) [B3X5W]

    Ideal for 3.5 x 5.5 inch product 1/4 inch thick. Crystal Clear Flap Seal Bags are ideal for candy, treats, chocolates, photo, stationery, craft & hobby product. These bags have optimal clarity and durability. Adhesive strip is on the flap. Learn More
  10. 4 1/16" x 5 3/8" + Flap, Crystal Clear Bags (100 Pieces) [B4B1]

    Ideal for a set of 6 to 8, 4 Baronial or A1 size, envelope and cards. Our top selling Crystal Clear Flap Seal Bags are ideal for art, photo, stationery, bulk mail, craft & hobby, and just about anything else. These bags have optimal clarity and durability. Adhesive strip is on the flap. USPS Approved. Learn More

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