✤【PREMIUM QUALITY】 - The shipping bags are crafted with 100% virgin polyethylene which is incredibly durable and strong on the outside with tough protective black inner linings inside.The self-seal adhesive is super strong and it doesn't come apart unless you tear it up. ✤【PATENT DESIGN】 - Each shipping envelopes comes complete with a self-seal strip that allows you to easily remove without generating any static electricity, ensuring it won't stick to your hands or the shipping & mailing bag itself. The strong adhesive will stick with ease even if they are stored and unused for as long as 1 year. ✤【ULTRA SECURE】 - The self-seal strips of our mailing envelopes for easy packing provide a high strength, durable closure ,making it water and tear resistance. Thanks to the pure black inner lining, the privacy of the items inside is guaranteed. ✤【VERSATILE USE 】- The 12"x 15.5" mailer bags are perfect for everything soft, such like Clothes, T-Shirts, Blankets, Scarves, Apparel and other non-fragile items. ✤【SATISFACTION GUARANTEED】 - We trust you'll LOVE our pristine Shipping Bags just as much as we do. If for whatever reason you don't, contact us and we'll gladly exchange or completely refund your order! 100 Count - 12" x 15.5", Black & White Gingham Plaid Poly Mailer Envelope, Mailing Shipping Bags with Self Seal Strip for T-shirts, Blankets, Scarves, or other Non breakable items.