I've found out that card holders are the perfect size to hold 3 inch keychains
But maybe im being too cautious, these really are my first ever acrylic keychains

#fkmt #ichijou #fanart #keychain #charm #acrylic #anime #chibi #animeStyle #cute #merch #acrylicKeychain #myArt #一条誠也 #イチジョウ #カイジ #kaiji