• Size: poly mailers 12x15.5 inches, 500 pcs.
• Protect your privacy: these poly mailers are white outer surface and black inner lining, so its opacity prevents prying eyes.
• Strong adhesive: closure seals of the poly package is not ability to open before packaging arrived, the hot-melt adhesive can maintain strong stickiness throughout the year, you no need reinforcement tape.
• Waterproof: waterproof shipping bags keep your gifts as good as new, our shipping envelopes are tear-resistant and won't break when stretched hard.
• Convenient transportation: This poly mailers bags are 2.5 mil thickness for shipping soft-goods,it is lightweight and easy to transport your items.