square envelopes

Universal Double Window Business Envelope, #10, Square Flap, Self-Adhesive Closure, 4.13 x 9.5, White, 500/Box

Universal Peel Seal Strip Security Tint Business Envelope, #10, Square Flap, Self-Adhesive Closure, 4.25 x 9.63, White, 500/Box

UOFFICE Bulk Pack of 500 Poly Mailers Bags 9" x 12" - #2 with Self-Sealing Closure

Universal Catalog Envelope, 28 lb Bond Weight Kraft, #1, Square Flap, Gummed Closure, 6 x 9, Brown Kraft, 100/Box

Universal Catalog Envelope, 28 lb Bond Weight Paper, #10 1/2, Square Flap, Gummed Closure, 9 x 12, White, 100/Box

Scotch 12.5"x17.5" Curbside Recyclable Mailer Size 6: Self-Adhesive Padded Envelopes, 100% Recycled Paper, Tan

80ct Security Envelopes White - up&up™

Scotch 5.5"x9"Curbside Recyclable Mailer Size 0 Brown: Self-Adhesive Padded Shipping Envelopes, Single Pack

Scotch Poly Bubble Padded Mailer 3pk Small Red

Scotch Poly Bubble Mailer White

Press and Seal Security Envelopes 4" x 9.5" White - up&up™

Scotch 10.5"x14.7"Curbside Recyclable Mailer Size 5: Self-Adhesive Padded Shipping Envelopes, Tan

Scotch 9"x10.5" Curbside Recyclable Mailer Size 2: Padded Shipping Envelope, Self-Adhesive, Tan

4ct 9" x 12" Clasp Closure Manila Envelopes - up&up™: Large Mailing Envelopes, Beige, Paper, Stationery, 4 Pack

Scotch Curbside Recyclable Mailer Size 4 Brown: Self-Adhesive Shipping Envelopes, 13.5" x 9.5", Paper Material

Medium Moving Box - up&up™: Cardboard, 19" Length, 14" Width, Brown, Flap Closure, Mailing Envelopes & Packaging

5ct 6" x 9" Clasp Closure Manila Envelopes - up&up™: Small Beige Mailing Stationery, Paper, 5 Pack

Scotch Poly Bubble Padded Mailer 3pk Small Green

3ct 10"x13" Clasp Closure Manila Envelopes - up&up™: Beige Paper Mailing Envelopes, Stationery, Office Supplies