PaknSeal 9 X 12 Self Seal Poly Bags with Suffocation Warning, Strong Adhesive Clear Strip, 1.5 Mil, 100 Count SELF SEAL CLEAR POLY BAGS WITH SUFFOCATION WARNING: our 9x12 poly bags are made from 100% virgin LDPE, making them both supple and strong. These bags are crystal clear with the suffocation warning on the back side, giving your product a professional look and feel. FULLY FBA COMPLIANT: these Amazon FBA-compliant poly bags are 1.5 mil (38.1 microns) thick. Additionally, our self seal bags have an industry-standard suffocation safety warning in 3 languages (English, Spanish, French) on the back side of the bag. EASY TO PEEL AND SEAL: PackNSeals poly bags permanent adhesive seal is very sticky and strong. Once you peel the static free strip and seal the bag, these 9x12 polybags will remain closed. Also, the corners of PakNSeal bags are designed not to tear when you remove the strips (something that happens with cheaper bags on the market.) The white strips covering the adhesive are easy to see (when every second spent packing counts) and are non static, so they wont stick to you. DESIGNED FOR DURABILITY: these transparent poly bags are commercially rated and incredibly strong and sturdy. We use 100% virgin LDPE, making our plastic bags both strong and supple, unlike the more rigid (crinkly) cellophane, which has a cheaper feel and can tear easily. TIPS FOR ORDERING THE CORRECT SIZE POLY BAG: PakNSeal self adhesive poly bags are ideal for shipping clothing, tshirts, DVDs, jewelry, party favors, hats, shirts, jackets, etc, but youll want to make sure you order the correct size. When trying to figure out how wide of a bag you need, simply take the width plus the thickness of your product and add  inch. To determine the length of the poly bag, just take the length of your product plus the width and add  inch. Pens not included.