Protect your coins from damage The transparent and flat double shell allows you to enjoy the front and back of the coin Safe but easy to open and lock Made of, super thick, super hard, high transparent coating, aligned with the circle, neatly edged The product is market, high quality, easy to use and easy to carry. Used for all types of coins, copper coins, silver coins, commemorative coins and gold coins Size: Inner diameter: 21mm / 0.83 inch Outer diameter: 24mm / 0.95 inch Height: 4.93mm / 0.19 inch Thickness: 2.4mm / 0.1 inch Material: plastic Color: transparent color Contents of the Package: 300 x Round Clear Plastic Corner Protector Box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.