Feature： High quality card sleeve. Multiple colors. Easy to shuffle. The front is smooth and transparent, while the back has a matte texture. Standard size card sleeve, suitable for various cards. Dustproof and Waterproof. Durable and not easily damaged. Description: Anti slip and easy to insert card. Made from high-grade polypropylene plastic as opposed to PVC,  which is known for being acid-free, which means the sleeves will not leak chemicals into cards over time. It is the best choice for MTG TCG baseball card sports card enthusiasts. Different colors have varying thicknesses, please refer to the attribute chart for specific thicknesses. Package include： 150pcs per pack (Size of per card sleeve: 2.6"x3.6"/66x91mm)