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
6.3 x 9.8 Inch Self Seal Photo Document Mailers 70 Pack Stay Flat White Cardboard Envelopes for Mailing CD Disks, Photos, Shipping, Packaging | Walmart Canada
100 Pack 6X8 inch Self Seal Photo Document Mailers Stay Flat White Cardboard Envelopes White Photography Mailers for CD, Photos, Document by ZMYBCPACK : Amazon.ca: Office Products
ValBox 9x11.5 Self Seal Photo Document Mailers 25 Pack Stay Flat White Cardboard Envelopes, 9.25 x 11.75 Inches : 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
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
Rigid Cardboard Mailers – Colorel
Cardboard envelopes | Packaging2Buy | book mailers | book wraps | A5
250 Rigid Shipping Envelopes Document Mailer Self Seal Cardboard 9.5 x 12.5 | eBay