Envelopes

Envelopes

Keep your correspondence organized and professional with our wide selection of high-quality envelopes, perfect for offices, schools, government institutions, and business mailrooms. Whether you’re sending invoices, statements, marketing materials, or confidential documents, our envelopes ensure secure sealing, neat presentation, and reliable protection during transit.

Explore a full range of business envelopes, window envelopes, catalog envelopes, and padded mailers, available in multiple sizes, colors, and closure styles to suit every mailing need. Our bulk envelope options deliver excellent value for high-volume operations while maintaining professional standards in design and durability.

From self-seal and gummed envelopes to custom-print and eco-friendly options, you’ll find the ideal solution to keep your office mail efficient and polished. Choose envelopes that reflect your brand’s professionalism and meet your everyday mailing demands—all at competitive wholesale prices.

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269 Products

  • Business Source Regular Business Envelopes - Commercial - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Gummed - White - Wove - 500 / Box Business Source Regular Business Envelopes - Commercial - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park Redi Strip Security Mailing Envelopes - Multipurpose - 9" Width x 12" Length - Peel Strip - White - 100 / Box Quality Park Redi Strip Security Mailing Envelopes - Multipurpose - 9" Width x 12" Length - Peel Strip - White - 100 / Box
  • Quality Park No. 9 Double Window Security Tint Envelopes with Self-Seal Closure - Security - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Adhesive - White - 250 / Box Quality Park No. 9 Double Window Security Tint Envelopes with Self-Seal Closure - Security - #9 - 3 7/8" Width x 8 7/8" Length - 24 lb - Adhesive - White - 250 / Box
  • Classic Crest Commercial Flap Envelopes - Commercial - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Flap - Baronial Ivory - 500 / Box
  • Business Source No. 6-3/4 White Wove V-Flap Business Envelopes - Business - #6 3/4 - 3 3/5" Width x 6 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park Clasp Envelopes with Gummed Flap - Clasp - #105 - 11 1/2" Width x 14 1/2" Length - 28 lb - Clasp - Brown - Kraft - 100 / Box Quality Park Clasp Envelopes with Gummed Flap - Clasp - #105 - 11 1/2" Width x 14 1/2" Length - 28 lb - Clasp - Brown - Kraft - 100 / Box
  • Classic Crest Commercial Flap Envelopes - Commercial - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Flap - Natural White - 500 / Box
  • Quality Park No. 10 Double Window Security Tint Business Envelopes with Self-Seal Closure - Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box Quality Park No. 10 Double Window Security Tint Business Envelopes with Self-Seal Closure - Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 500 / Box
  • Quality Park No. 10 Business Envelopes with Gummed Flap - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 1000 / Box Quality Park No. 10 Business Envelopes with Gummed Flap - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - Wove - 1000 / Box
  • Business Source No. 9 Double Window Invoice Envelopes - Double Window - #9 - 8 7/8" Width x 3 7/8" Length - 24 lb - White - 500 / Box Business Source No. 9 Double Window Invoice Envelopes - Double Window - #9 - 8 7/8" Width x 3 7/8" Length - 24 lb - White - 500 / Box
  • Business Source Peel-To-Seal Envelopes - Multipurpose - 3 5/8" Width x 6 1/2" Length - 24 lb - White - Wove - 100 / Box
  • Business Source No.10 Standard Window Invoice Envelopes - Single Window - 9 1/2" Width x 4 1/2" Length - 24 lb - Self-sealing - White - Poly - 500 / Box Business Source No.10 Standard Window Invoice Envelopes - Single Window - 9 1/2" Width x 4 1/2" Length - 24 lb - Self-sealing - White - Poly - 500 / Box
  • Business Source No. 9 Double Window Invoice Envelopes - Double Window - #9 - 8 7/8" Width x 3 7/8" Length - 24 lb - Self-sealing - White - 500 / Box Business Source No. 9 Double Window Invoice Envelopes - Double Window - #9 - 8 7/8" Width x 3 7/8" Length - 24 lb - Self-sealing - White - 500 / Box
  • Quality Park No. 10 Single Window Envelope with a Self-Seal Closure - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - Wove - 500 / Box Quality Park No. 10 Single Window Envelope with a Self-Seal Closure - Single Window - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Self-sealing - White - Wove - 500 / Box
  • Quality Park No. 6-3/4 Security Tinted Envelopes with Gummed Closure - Security - #6 3/4 - 3 5/8" Width x 6 1/2" Length - 24 lb - White - Wove - 500 / Box Quality Park No. 6-3/4 Security Tinted Envelopes with Gummed Closure - Security - #6 3/4 - 3 5/8" Width x 6 1/2" Length - 24 lb - White - Wove - 500 / Box
  • Quality Park 10 x 13 Heavy-Duty Clasp Envelopes - Clasp - #97 - 10" Width x 13" Length - Clasp/Gummed Flap - 100 / Box
  • Business Source No. 10 Peel-to-seal Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Peel & Seal - White - Wove - 100 / Box
  • Business Source Double Window #10 Envelopes - Double Window - #10 - 24 lb - Self-sealing - White - 500 / Box
  • Quality Park No. 10 Single Window Security Tint Treated Business Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Flap - White - 500 / Box
  • Business Source Security Tint Window Envelopes - Business - #10 - 9 1/2" Width x 4 1/8" Length - Peel & Seal - White - Wove - 500 / Box Business Source Security Tint Window Envelopes - Business - #10 - 9 1/2" Width x 4 1/8" Length - Peel & Seal - White - Wove - 500 / Box
  • Quality Park No. 10 Double Window Security Tint Envelopes - Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - 500 / Box Quality Park No. 10 Double Window Security Tint Envelopes - Security - #10 - 4 1/8" Width x 9 1/2" Length - 24 lb - Gummed - White - 500 / Box
  • Quality Park No. 10 Bright Red Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 60 lb - Adhesive - Red - 25 / Pack Quality Park No. 10 Bright Red Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - 60 lb - Adhesive - Red - 25 / Pack
  • Mead No. 10 Security Envelopes - Business - #10 - 9 1/2" Width x 4 1/8" Length - 20 lb - Gummed - White - Wove - 40 / Box
  • Business Source Economical No. 10 Window Envelope - Single Window - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - White - 500 / Box Business Source Economical No. 10 Window Envelope - Single Window - #10 - 9 1/2" Width x 4 1/8" Length - 24 lb - White - 500 / Box
  • Mead Plain White Envelopes - Business - #10 - 4 1/8" Width x 9 1/2" Length - Gummed - White - 100 / Box
  • Quality Park 10 x 13 Postage Saving ClearClasp Envelopes with Reusable Redi-Tac™ Closure - Clasp - 10" Width x 13" Length - 28 lb - Clasp - Manila - 100 / Box Quality Park 10 x 13 Postage Saving ClearClasp Envelopes with Reusable Redi-Tac™ Closure - Clasp - 10" Width x 13" Length - 28 lb - Clasp - Manila - 100 / Box
  • Quality Park 9 x 12 Heavy-duty Clasp Envelopes - Clasp - #90 - 9" Width x 12" Length - Clasp/Gummed Flap - 100 / Box
  • Quality Park Redi Strip Security Mailing Envelopes - Multipurpose - #13 1/2 - 10" Width x 13" Length - Peel Strip - White - 100 / Box Quality Park Redi Strip Security Mailing Envelopes - Multipurpose - #13 1/2 - 10" Width x 13" Length - Peel Strip - White - 100 / Box
  • Astrobrights No. 10 Colored Envelopes - Multipurpose - #10 - 24 lb - Assorted - 200 / Pack Astrobrights No. 10 Colored Envelopes - Multipurpose - #10 - 24 lb - Assorted - 200 / Pack