Trading card keychains are available. Size: 8.9cm (height) x 6.3cm (width) (insertable size) Made with UV resin. While made with care, these are handmade items by an amateur. There may be unevenness, bubbles, dust, missing parts, etc. Also, there may be initial defects in the case. Please understand that these are handmade items before purchasing. Tags: trading card, keychain, case, UV resin, resin, deco, hard case, Korea, K-POP, k-pop, ASTRO, seventeen, TWICE, BTS