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" x 2" + Flap, Crystal Clear Bags® (100 Pieces) [B2X2E]
    2" x 2" + Flap, Crystal Clear Bags® (100 Pieces) [B2X2E]
    Our top selling Crystal Clear Flap Seal Bags are ideal for art, photo, stationery, bulk mail, craft & hobby, and just about anything else. B2X2E is ideal for 1 3/4 inch square thin flat envelopes or cards, or other small products. These bags have optimal clarity and durability. Adhesive strip is on the flap. Learn More
  2. 2 11/16" x 3 9/16" + Flap, Crystal Clear Bags® (100 Pieces) [B2M]
    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
  3. 3 11/16" x 6" + Flap, Crystal Clear Bags® (100 Pieces) [B3X6]
    3 11/16" x 6" + Flap, Crystal Clear Bags® (100 Pieces) [B3X6]
    Business envelopes work great with crystal clear packaging. Our B3X6 Crystal Clear Flap Seal Bag measures 3 11/16" x 6" and is ideal for holding a #6.25 envelope with dimensions of 3 1/2" x 6". Package candy, crafts, charms, and more. Seal this bag with a self-adhesive strip located on the bag flap. USPS approved. Learn More
  4. 3 11/16" x 7 5/16" + Flap, Crystal Clear Bags® (100 Pieces) [B37M]
    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
  5. 3 11/16" x 8" + Flap, Crystal Clear Bags® (100 Pieces) [B3X8]
    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
  6. 3 3/4" x 8 1/4" + Flap, Crystal Clear Bags® (100 Pieces) [B83]
    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
  7. 3 13/16" x 5 3/16" + Flap, Crystal Clear Bags® (100 Pieces) [B3X5]
    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
  8. 3 13/16" x 5 9/16" + Flap, Crystal Clear Bags® (100 Pieces) [B3X5XL]
    3 13/16" x 5 9/16" + Flap, Crystal Clear Bags® (100 Pieces) [B3X5XL]
    Give high definition to art, photos, and more in these Crystal Clear Flap Seal Bags. Our B3X5XL bag measures 3 13/16" x 5 9/16" and is ideal for a 3 1/2" x 5 1/2" flat product. Package envelopes, cards, photos, art, craft & hobby supplies, candy, and more. The adhesive strip is on the bag flap for a convenient closure and resealing. Food safe. Learn More
  9. 3 15/16" x 5 1/4" + Flap, Crystal Clear Bags® (100 Pieces) [B3H5]
    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
  10. 3 15/16" x 5 11/16" + Flap, Crystal Clear Bags® (100 Pieces) [B3X5W]
    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
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