Features: *Good stability and *Provide safe protection for your coin collection *Best choose for coin collectors *The thick of a single piece is about 0.58mm (the Thick of ordinary standard paper clips is about 0.45mm) The appearance specification of each piece is about 100*50mm, about 50*50mm after being folded in half (1 inch = 25.4mm or 1mm = 0.0393 inch) *Can hold 50 coins Specifications: Part Name:Coin Collection Cardboard Material:Paper Size:17.5mm,20.5mm,23mm,25mm,26.5mm,27.5mm,29mm,31.5mm,33mm,35mm,37mm,40mm Color:white OEM Number:None Fitment:For large coins, please choose an appraisal box with a diameter that is 0.5-1mm smaller than the coin. For example, for a 39mm large silver coin, use an appraisal box with an inner diameter of 38.5mm. Product function:Provide safe protection for your coin collection Application:Coin collectors, coin storage Package Content: 1 box Coin Holders Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_ _x000D_