Amazon.com: Ultra PRO Penny Sleeves Clear Card Sleeves for Standard Size Trading Cards measuring 2.5" x 3.5" (500 count pack) : Toys & Games Daiso Honolulu has cards sleeves! The R9 & M1 packs are penny sleeves ($1.75 for 150) but the R7 ones ($1.75 for 100) are thicker. Not quite as thick as the Ultra Amazon.com: Ultra PRO Penny Sleeves Clear Soft Card Sleeves 100ct. 2.5" x 3.5", Protect and Store Valuable Sports Cards, Baseball Cards, Football Cards, Basketball Cards and Even Gaming Cards, MTG & Amazon.com: Premium Penny Sleeves for Trading Cards Standard Exact Fit 100 Clear Inner Sleeves to Protect Pokemon, Magic, Yugioh, Baseball, Football and Collectible Cards : Toys & Games