[Widely Compatible Protectors] Fit for all standard-sized trading cards such as baseball cards, football cards, Pokemon cards, Yugioh cards, ATCs cards, Kpop photocards, etc. [Crystal Clear] Since the card sleeves are made of plastic, they are transparent and the cards inserted can be viewed easily without any issues. [Waterproof and Dustproof] Foldermax sleeves has durable ultra-soft construction which ensures that it's sturdy and durable and largely prevents it from damaging and scratching and helps keep your cards safe. Perfect specifications have strong waterproof and dustproof functions. [Premium Soft Sleeves] The penny sleeves are made by high quality plastic material which makes it ultra soft but durable and helps to easily protect the cards. The thickness of these card sleeves looks comfortable and does not feel thick to hold. [Easy Usage and Cost Effective] Each order comes with a set of 2 packs and each pack contains 100 soft sleeves. This set of sleeves can be used with tons of cards, which makes it cost effective. Each sleeve has a size of 2-5/8"x3-5/8".