• Size: Poly mailers 14.5x19 inches, 100 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: The SJPACK poly pouch has a thickness of 2.5 mils and is used for shipping soft goods. It is lightweight and convenient for transportation.