【Product Description】 KMC Perfect Size 64x89mm 100 sheets x 30 packs 4595059399008 By achieving a thinness of 0.05mm on one side, these sleeves are ideal as inner sleeves for standard-sized cards. Using them in conjunction with Hyper Mat series sleeves, etc., provides even greater card protection. *Please be sure to check the size of your cards before purchasing. 【Target Card Size】 Standard Size (63 x 88mm) Examples: Pokémon Card Game Weiss Schwarz Magic: The Gathering (MTG) Duel Masters One Piece Card Game etc. 【Storage Condition】 Brand new and unopened. 【Shipping】 Will be shipped with the shipping label directly attached to the cardboard box. "For those who want to double-sleeve and protect their precious cards, how about these as inner sleeves?"