10 units – Uline Economy White Poly Bubble Mailers #2 – 8 1⁄2″ x 12″(USABLE W x L 8-3/8″ x 10 3/4″) Featherlight with tough 1/8″ bubble for greater postal savings.For shipping T-shirts, gloves and non-fragile items.Self-seal adhesive strip. No need for tape or staples.Weatherproof and tear resistant. Protects contents.Poly Bubble Mailer.