Card Barrier Perfect Size is the perfect sleeve for use as an inner sleeve for standard size cards, with a thickness of 0.05mm on one side. This product is a five of five Card Barrier Perfect Sizes. 【Size】 Standard【Dimensions】 64 x 89mm　【Thickness】 0.05mm　【Quantity】 100 The packaging was renewed on February 1, 2025. We will switch to the new packaging and ship the products one by one. The performance is the same. Card Barrier Perfect Size is the perfect sleeve for use as an inner sleeve for standard size cards, with a thickness of 0.05mm on one side. This product is a set of five Card Barrier Perfect Sizes. You can further protect your cards by stacking them with the Hyper Mat Series or Super Alpha Series. Size: Standard Dimensions: 64 x 89mm Thickness: 0.05mm Quantity: 100 The packaging was renewed on February 1, 2025. We will switch to the new packaging and ship the products one by one. The performance is the same.