SJPACK 12x15.5-inch Poly Mailers Envelopes Bags, 2.5 Mil White Shipping Bags (500 Bags)

Key features

• 【Perfect Size】- Poly mailers 12x15.5 inches, suitable size for a wide variety of non-fragile items. A great helper for your online business.
• 【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 and Durable】- Waterproof shipping bags keep your gifts as good as new. Our shipping envelopes are tear-resistant and won't break when stretched hard.
• 【Save Your Shipping Cost】- SJPACK poly mailers bags are 2.5 mil thickness for shipping soft-goods, and they are light enough to safe you some money on weight for shipping.