[Upgrade Material]: The round coin capsule is made of high transparent thickened plastic material, made of PS, dustproof and . Transparent design clear enough for coins display, each compartment fits the coin capsules snugly and neatly. The foam gasket is made of EVA. [Crescent Opening Design]: Each round coin case has a crescent opening on the outer edge, which is easier to open and easy to use. The base and lid snap tightly together, preventing dust and oxidation, and better storing coins. [5 Sizes Foam Gasket]: 5 Sizes 17/20/25/27/30mm foam gasket. Different EVA foam gaskets can hold most popular coins, easy to separate the foam rings from the EVA foam pads based on your coin's size, stop coins from sliding and scratching. [Wide Application]: Clear coin storage container facilitate to coin storage, like US quartes or , penny, , etc. (Does not fit half dollar with a diameter of 30.61mm.) Colour:Transparent Material:plastic Package Contents: 240 * round boxes 240 * inner pads 2 * plastic boxes 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.