I've been using these mailers for years for my small business, in various sizes.
They are priced affordably and are quite durable. I've had products go around the world and returned to sender, look as good as the day I mailed them.
40 #10 Security Tinted Self-Seal Envelopes - No Window, 24 LB White EnveGuard Size 4-1/8 X 9-1/2 Inches - 40 Count (34140)
19 Review
Wooden Gel Pen Gift Set With Handmade Rollerball Pen Holder Box, Refills And Ballpoint Pens In Fancy Display Case - Perfect Business Gift Idea
25 Review
25-Pack Small 4X4X4 Inch Edenseelake Cardboard Shipping Boxes
19 Review
Track Your Finances With Ease - Set Of 60 A6 Budget Sheets For Budget Planner Binder
22 Review
π 100 Pack of Assorted Colorful Adhesive Stick-On Heart, Star, and Round Shaped Jewel Gems for Arts & Crafts, Themed Party Decorations, Children's Activities - Super Z Outlet
7 Review
Anezus 6800Pcs Rhinestones Kit: Sparkling Accessories for Countless Crafting Projects
7 Review
π Tulip One-Step Tie-Dye Kits Rainbow - 5 Colors, 1.62oz
7 Review
Craft Tool Quickstik by We R Memory Keepers
7 Review