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Flap Seal Bags

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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10 Item(s)

  1. 4 5/16" x 9 9/16" Clear bag with flap seal

    If you need a protective sleeve for a single #10 business size envelope or card, look no further than our B49 flap seal bag. It measures 4 5/16" x 9 9/16" and is a great option for bulk mailings. Ideal for stationery, treasured items and even tennis balls. Acid free. Learn More
  2. 6 3/16" x 9 9/16" + Flap, Crystal Clear Bags (100 Pieces) [B96]

    Our B96 flap seal bag is ideal for a single A10 size envelope and card and measures 6 3/16" x 9 9/16". This bag provides optimal clarity and durability. Fill this bag with small household items or school supplies. Self-adhesive on flap adjusts for contents. Works well for bulk mail. Learn More
  3. 9" x 12" Clear bag

    The 9” x 12” clear flap seal envelope makes a popular bulk mailing sleeve or printed product enclosure for 8.5 x 11 papers. This bag features a 1.6 mil USPS approved barrier, an adhesive strip on the flap of the bag, and a crystal clear material to ensure your product is the center of attention. Also available in our premium and laminate materials for heavier duty applications. Learn More
  4. 9 1/4" x 6 1/4" + Flap, Crystal Clear Bags (100 Pieces) [B69]

    Our most popular sleeve to hold a single 6" x 9" envelope with card or other similar-sized products that are under 1/4 inch depth such as handmade cards and invitations. 9 1/4" x 6 1/4" Flap Seal Bags by ClearBags have optimal clarity and durability. USPS approved. Learn More
  5. 9 7/16" x 12 1/4" Clear bags

    Recommended for bulkier 9" x 12" mailers or brochures. This bag is perfect for art and photos using a double mat with backing, or single mats with foam board up to about 5/16 inch thick. 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. Learn More
  6. 9 11/16" x 6 1/16" + Flap, Crystal Clear Bags (100 Pieces) [B9X6]

    Holds a 9 1/2 x 6 single envelope and card, a 6 5/8 booklet envelope sleeve, or other flat mailing pieces 6 x 9 1/2. ClearBags' Flap Seal Bags are USPS approved as bulk mailing poly wrap. Learn More
  7. 9 7/8" x 4 7/16" + Flap, Crystal Clear Bags (100 Pieces) [B49XL] ON SALE WHILE SUPPLIES LAST!

    Regular Price: $8.60

    Online Special $7.31

    As low as: $1.80

    Recommended for a set of up to 12 , #10 business 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.
    Overstock Sale! Volume prices reduced while supplies last.
    Clearance items are sold as-is. No refunds or returns.
    Learn More
  8. 10 7/16" x 12 1/4" + Flap, Crystal Clear Bags (100 Pieces) [B1012]

    At 10 7/16" x 12 1/4" our B1012 flap seal bag is a top-seller, ideal for 10" x 12" photos, art, and more. Adhesive is located on the flap of the bag and can be adjusted for your product size. This crystal clear packaging won’t easily wrinkle, tear, or fog. Learn More
  9. 11 7/16" x 8 3/4" + Flap, Crystal Clear Bags (100 Pieces) [B118]

    Recommended for 8.5x11 product, art, photography, double mats with backing, single mats with foam board up to about 5/16 inch thick. 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. 12" x 9" Clear bag

    Our top-selling B12X9 bag measures 12" x 9” and is a popular choice for bulk mailings. Ideal for holding journals, documents, and catalogs. Poly barrier material is acid free and offers the finest in durability. Adhesive located on flap allows for easy insertion and a secure closure. Learn More

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10 Item(s)