Base Material: Surgical Stainless Steel Handmade earrings using natural stones. Total earring length: Approximately 2.5 cm Hook length: 1 cm Uses 6mm peridot and 4mm blue moonstone ♡ The blue moonstone is small, but the schiller is very beautiful. The hooks are silver-colored surgical stainless steel hooks. Earring changes are also possible (+30 yen), but the metal fittings are plated, so they may be susceptible to rust. If you would like to change to earrings, please comment before purchasing. Thank you.