. 925 sterling silver chain necklace, with butterfly pendant. Lobster clasp closure. Necklace measures approximately 16. 5 (42 cm) long; pendant measures approximately 0. 4 W x 0. 3 L (9. 3 mm W x 7. 6 mm L). Avoid exposure to water, lotion, perfume, hairspray and other harsh chemicals. Do not shower with costume jewelry. To clean, wipe with damp cloth and dry thoroughly. Intended for ages 15+ #541885Wipe clean. precious metal (92.5% silver, 7.5% alloy [60% copper, 39% zinc, 1% indium]). 99% precious metal coating (92.5% silver, 7% copper, 0.5% e-coating) 1%