I have kept this at home without wearing it even once after purchase. The clasp is stamped with K10. The charm is approximately 1cm tall and 2cm wide. ✴️Please confirm any questions or uncertainties in the comments before purchasing. Also, if you do not want the box, it will be shipped via Yu-packet Post Mini. Please comment about this before purchasing as well. ✴️I am also selling on other sites. Please understand if it sells out. ※Instant purchase is OK ※Price negotiation is OK ※Holding items is not allowed ※To prevent trouble, please be sure to read the profile before purchasing. #Kuro's Accessory Information has an accessory page available. I have many other items for sale besides this one. Please see #KURO's Listings for details ( ⁎ᴗ_ᴗ⁎) Pecko #Butterfly #Earrings #Take-up Pure #Pink #Purple #Gold #k10