Lightest weight mailer available. Save enough postage to nearly pay for the bag. Outstanding protection for semi-fragile items with 3/16" layer of bubble cushioning. Lining protects against moisture and punctures, and facilitates smooth product insertion. Seamless bottom construction. Convenient self-sealing closure. 50 qty per case. Inside dimension 12 3/8" x 17 3/4". Made in the USA.