Rigid Mailers 12.5 x 9.5 Size. White Color Rigid Mailers Kraft Pack of 10 Cardboard Envelopes. 12 1/2 x 9 1/2 Cardboard Mailers with Pocket. Flat Envelopes for Photo, Packing, Documents Shipping. | Walmart Canada
25 Pack Stay Flat Rigid Mailers, Kraft Brown Cardboard Envelopes for Shipping Photos, Magazines, Comic Books (9 x 11.5 in) : Amazon.ca: Office Products
100 Pack Cardboard Mailers That Stay Flat, Self-Adhesive White Rigid Shipping Envelopes for Photos, Documents (5.8 x 7.7In) : Amazon.ca: Office Products
25-Pack Brown Rigid Mailers That Stay Flat 13x18, Bulk Kraft Paper Sturdy Cardboard Envelopes, 450 GSM for Shipping Photos, Packing Documents, Gift Cards, CDs, Art Prints : Amazon.ca: Office Products
200pcs 355 x 255mm Cardboard Envelopes - Tough Bag - Stanley Packaging
CARDBOARD ENVELOPES ROYAL MAIL PIP LARGE LETTER POSTAL BOOK MAILERS ALL BOARD | eBay
Easy-Fold Mailers, Kraft, 10 1/4 x 8 1/4", Multi-Depth Heights of 5/8, 1 1/4" for $1.26 Online in Canada
Paperboard Mailers and Envelopes | Envelopes.com
25-Pack Brown Rigid Mailers That Stay Flat 13x18, Bulk Kraft Paper Sturdy Cardboard Envelopes, 450 GSM for Shipping Photos, Packing Documents, Gift Cards, CDs, Art Prints : Amazon.ca: Office Products