【Bag Specification】: 200pcs 1"x1" Clear thick 2.4 mil zipper bags. The zip bags are thickened to 2.4 mil (one-side), heavy-duty and durable. While most of the bags of market are 2 mils commonly. | 【Waterproof & Airtight】: The bags are waterproof & dust-proof airtight sealable, all-virgin low density polyethylene(PE). 100% food grade safe, non toxic & odorless, freezer safe. | 【How to Open】: Please use this easier way to open small bags: Put pressure at the seal between your thumb and index finger, then slide the seal from different directions. | 【Application Widely】: As the zip bags foster long term sealability and protect the contents from dust, bugs, moisture, and mildew, excellent for packing and separating samples, food, candy, jewelry, bath bombs, cards, craft supplies, paper, office supplies, school supplies, hardware, collectibles, yarn, sewing kits, quilting supplies, toys, merchandise for resale, or makeup. | 【Warm Tips】: The sizes are the actual available size inside, all manually measured in a flat state, please allow for some errors. In order to ensure that your articles can be fully wrapped, they should be slightly smaller than our bags due to the thickness of your articles.