The keychain is made of high quality alloy. Size - guitar: 37 x 13 mm, headphones: 25 x 18 mm, note: 23 x 14 mm, ring: 25 mm Box contents: 1 x key ring, 1 x Jovivi velvet bag A perfect gift for yourself and your friends, mother, dad, wife, son, daughter on birthday, Christmas, anniversary and other occasions.