square envelopes

55ct Press and Seal Security Envelopes 3.5" x 6.5" White - up&up™: Self-Seal Mailing, Business, Letter

30ct 6" x 9" Press and Seal Envelopes White - up&up™: Self-Seal Mailing, Paper, Gummed Flap, Size 9, 30 Pack

80ct Security Envelopes White - up&up™

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

Paper Junkie 50 Pack Black Envelopes - Bulk Black 5.25x7.25 Envelopes for Invitations, Wedding, Graduation, (A7, Square Flap)

JAM Paper Brown Kraft Paper Bag Envelopes 50pk

Best Paper Greetings 100 Pack Colored 5x7 Mailing Envelopes, A7 Size Invitations, Greeting Cards, Peel and Stick Seal, Square Flap, 7 Colors

10ct Blank Mini Stationery Note Cards with Envelopes Gold/White

Okuna Outpost 100 Pack Colorful Money Envelopes for Cash, Payroll, Money Saving, Coins, Currency, 100GSM, 3.5x6.5 in

Okuna Outpost 100 Pack Red Money Envelopes for Cash, Coins, Saving, Budgeting (Small, 3.5x6.5in)

Fosmon #5 Kraft Gummed Envelopes Mailer "DO NOT BEND" 9.25" x 12"

Juvale 100-Pack A1 Brown Kraft Paper Envelopes 5 x 3 Gummed Seal V-Flap for Invitation Greeting Cards

Juvale 100-Count A2 Invitation Envelopes for 5" x 4" Cards & Party Invitations, Kraft Brown

Paper Junkie 100 Pack Purple Envelopes 7 x 5", A7 Size for Greeting Cards, Mailing, Wedding Invitations