Clasp Envelopes

Clasp Envelopes

Keep your documents secure, organized, and ready for mailing with our durable clasp envelopes, designed for offices, schools, warehouses, and businesses that rely on dependable paper filing solutions. Built with heavy-duty materials and reinforced metal clasps, these envelopes ensure long-lasting protection whether you're storing paperwork, sending contracts, or distributing internal communications.

Explore a wide selection of clasp envelopes in various sizes, paper weights, and closure styles—perfect for bulk mailing, archiving, and daily office use. Many options include gummed flaps for added sealing strength, as well as reinforced seams for enhanced durability. Ideal for professional settings, our clasp envelopes offer a practical, cost-efficient solution for secure document handling and organized workflow management.

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49 Products

  • Quality Park 8-3/4 x 11-1/2 Extra Heavy-duty Clasp Envelopes - Clasp - 8 3/4" Width x 11 1/2" Length - 32 lb - Gummed - Cameo - Kraft - 100 / Box Quality Park Extra Heavy-duty Clasp Envelopes - 8.75" x 11.5" - 32 lb - Kraft - 100/Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Gummed - Yellow - 10 / Pack Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Yellow - 10/Pack
  • Quality Park 10 x 13 Extra Heavy-duty Clasp Envelopes - Clasp - #97 - 10" Width x 13" Length - 32 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Extra Heavy-duty Clasp Envelopes - #97 - 10x13 - 32 lb - Kraft
  • Quality Park 10 x 15 Heavy-Duty Clasp Envelope - Clasp - #98 - 10" Width x 15" Length - 32 lb - Clasp - Brown - Kraft - 100 / Box Quality Park Heavy-Duty Clasp Envelopes - #98 - 10x15 - 32 lb - Brown Kraft - 100/Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Kraft - 100/Box
  • Quality Park 10" x 13" Clasp Envelopes with Moisture-Activated Adhesive - Clasp - #97 - 10" Width x 13" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - 10" x 13" - Moisture-Activated Adhesive - 100/Box
  • Quality Park 6-1/2 x 9-1/2 Clasp Envelopes ith Deeply Gummed Flaps - Clasp - #63 - 6 1/2" Width x 9 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #63, 6.5x9.5, 28lb Kraft - 100/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #63 - 6 1/2" Width x 9 1/2" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Gummed - Gray - Kraft - 100 / Box Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Gray Kraft - 100/Box
  • Nature Saver Recycled Clasp Envelopes - Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Yellow - Kraft - 100 / Box Nature Saver Recycled Clasp Envelopes: #90, 9x12, 28 lb, Yellow Kraft - 100/Box
  • Quality Park 9 x 12 Heavy-duty Clasp Envelopes - Clasp - #90 - 9" Width x 12" Length - 32 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Heavy-duty Clasp Envelopes - #90 - 9x12 - 32 lb - Kraft - 100/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #93 - 9 1/2" Width x 12 1/2" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box Business Source Heavy-duty Clasp Envelopes - #93 - 9.5" x 12.5" - 28 lb - Kraft - 100/Box
  • Quality Park 9 x 12 High Bulk Clasp Envelopes with Deeply Gummed Flaps - Clasp - 9" Width x 12" Length - Gummed - Brown Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - 9x12 High Bulk, Deeply Gummed Flaps
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #35 - 5" Width x 7 1/2" Length - 28 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Nature Saver Recycled Clasp Envelopes - Clasp - #97 - 10" Width x 13" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box
  • Quality Park 9 x 12 Postage Saving ClearClasp Envelopes with Reusable Redi-Tac Closure - 9" Width x 12" Length - 28 lb - Clasp - Kraft - 100 / Box Quality Park ClearClasp Envelopes: 9x12, Redi-Tac Closure, Kraft - 100/Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Kraft - 100/Box
  • Quality Park 12 x 15-1/2 Clasp Envelope with Deeply Gummed Flaps - Clasp - #110 - 12" Width x 15 1/2" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelope 12x15.5 - #110 - 28lb - Kraft - 100/Box
  • Quality Park 20% Recycled Clasp Envelopes with Deeply Gummed Flaps - Multipurpose - 10" Width x 13" Length - 28 lb - Clasp/Gummed Flap - Brown - Kraft - 100 / Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Gummed Flap - White - 100 / Box Quality Park Clasp Envelopes - #90, 9x12, 28lb - White - 100/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #98 - 10" Width x 15" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #110 - 12" Width x 15 1/2" Length - 28 lb - Clasp - Kraft - Kraft - 100 / Box
  • Business Source Kraft Envelopes - Clasp - #97 - 10" Width x 13" Length - 32 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #90 - 9" Width x 12" Length - 28 lb - Clasp - Blue - Wove - 10 / Pack Quality Park Clasp Envelopes - #90 - 9x12 - 28 lb - Blue - Wove - 10/Pack
  • Quality Park 3-3/8 x 6 Clasp Envelopes - Clasp - 3 3/8" Width x 6" Length - 28 lb - Gummed - Brown - Kraft - 100 / Box Quality Park Clasp Envelopes - 3-3/8 x 6 Size - 28 lb - Brown Kraft - 100/Box
  • Quality Park 4 x 6-3/8 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #15 - 4" Width x 6 3/8" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #15 - 4x6.375 - 28 lb - Kraft - 100/Box
  • Business Source Kraft Envelopes - Clasp - #90 - 9" Width x 12" Length - 32 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Quality Park 10 x 15 Clasp Envelopes with Deeply Gummed Flaps - Clasp - #98 - 10" Width x 15" Length - 28 lb - Gummed - Kraft - Kraft - 100 / Box Quality Park Clasp Envelopes - #98, 10x15, 28lb - Kraft - 100/Box
  • Business Source Heavy-duty Clasp Envelopes - Clasp - #105 - 11 1/2" Width x 14 1/2" Length - 28 lb - Clasp - Brown Kraft - Kraft - 100 / Box
  • Quality Park 10 x 13 High Bulk Clasp Envelopes with Deeply Gummed Flaps - Clasp - 10" Width x 13" Length - Gummed - Clear - Kraft - 100 / Box Quality Park Clasp Envelopes - 10x13 High Bulk, Deeply Gummed Flaps - Clear Kraft - 100/Box