600pcs of coin flips are Professional Coin Collection Supplies. The 2x2 inch coin racks come in 6 different sizes, 2 boxes of each size, 50 pieces per box.which can hold most of the coin sizes on the market of coin collection supplies, such as: penny(dime),, quarter, half dollar, small dollar, large dollar International: 100pcsx(20.5mm-23mm-25mm-27.5mm-31.5mm-40mm) Inch: 100pcsx(0.807inch 0.906inch 0.984inch 1.083inch 1.24inch 1.575inch ) The transparent plastic film of 2 x 2 coin holders for collectors is made of High-quality material and it is slightly wrinkled to keep the thickness of the coin without tearing. Each size of 2 x 2 coin holders is packaged in a coin cardboard box,Convenient long-term storage for coin holderEach packing is marked with the coin holders size of each type,It is more convenient to search and use when collecting coins need coin collection supplies. First measure the coin size accurately, match the corresponding size of the coin flip, put the coin in the center of the transparent plastic film between the 2x2 coin holders frames, fold it along the center line of the 2x2 , and fix it with a stapler. Color: White Material: Paper Package Contents: 600PCS x Coin paper clip(6 sizes: 20.5mm/23mm/25mm/27.5mm/31.5mm/40mm, 100 pieces each) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.