[24K GOLD PLATED]: Ball earring findings made of 24k gold plated stainless steel, delicate and durable, not easy to rust or fade, brighter than 18K gold.[60PCS EARRING STUDS]: Including 30pcs ball earring studs with loop and 30pcs butterfly earring backs, packed with a small box to avoid missing: 2.67x2.04x0.43inch(6.8x5.2x1.1cm).[SIZE]: Earring total size 15mm, pin size 0.8mm, ball size 4mm, loop size 1.7mm, more details please refer to picture 2.[STUD EARRING WITH LOOP]: Gold ball post earrings have an loop:1.7mm, you could attach beaded dangles, jump ring and chain to make new drop earrings.[BEST GIFT]: You can use stud earring findings with loop to make some delicate handicrafts as presents to your family members and friends on Valentine's day, HalloweenChristmas, New Year or birthdays.