1,sealing: the cover and base of these coin capsules snap securely, dustproof and antioxidative, good as coins; protectors; Crescent opening design convenient to use2,Durable material: thickened plastic, durable coin holders, with safe round corner design, to touch and hold3,100 x clear plastic round coin holders, enough to many coins; Clear body allows you easy to see things inside4, gift: clear coin containers conduce to coin storage, and exchange, great gift for coin collectors to protect and his/ her favorite5,Can hold coins with inner diameter of 25mm.Round coin case size :45mmColour:transparentMaterial:PSPackage Contents:100 x commemorative coin storage boxOnly the above package content, other products are not included.Note:Light reflection and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.