Features & details: **Poly bubble mailer (100-pack) for everyday packaging, shipping, and mailing; clean white color **Interior air-lock bubble lining (3/16-inch air bubbles) provides cushioning protection to items inside **Exterior made of thin polyethylene film for a smooth surface that’s easy to label; adhesive tear strip for a tight, secure seal **Maximum-strength design provides water- and tear-resistant performance **Measures 8.5 by 12 inches each; lightweight for lower mailing/shipping cost.