Specifications: 1000 Count Bulk Pack - 12” X 15” (Width X Length) - 1.1 Mil LDPE Open Ended & Flat Clear Poly Bags. Crystal Clear: Clear, glossy shipping bags for small businesses. Perfectly sized for shipping clothes, t-shirts, collectible merchandise, apparel gifts, or packaging supplies by mail. Thin & Lightweight: Manufactured from virgin LDPE (low-density) material, these are our thinnest and most lightweight bags, only 1.1 mil thick. Can be used to packaged non-fragile items. Heat Sealable (No Glue Flap): Bags feature a flat open-ended profile that can be heat sealed with an impulse sealer or closed using tape, or with twist, clip or zip ties (NOT included). 100% Food Safe: These bags are acid free and archival safe, making them an excellent option for safely storing food, candy and other perishable items. Commonly used as proofing bags for dough bread making. They can be used as magazine covers and art print sleeves. Spartan Industrial Open-End Flat Poly Bags 1.1 Mil Clear Bags for Packaging Medical, Beauty, Craft Supplies (Do Not Have Seal and Do Not Have Prints)