The ring is made of 316L stainless steel. Fine craftsmanship, especially for the eye-catching 3D flower design on the top of this ring,Simple but elegant, you will not regret to get women rose flower ringSKQIR Womens Stainless Steel ring Jewelry Gift SKQIR Jewelry Made by High Quality Environmental Stainless Steel material Lead and Nickel Free;Non-Allergy,No Bad for People's Health;SKQIR Jewelry Color Guarantee --Silver Color no Fade Forever; Gold Can Keep Color Half of A Year;Best choice for gifts90 Days Warranty Policy: If you do not satisfied with our items within 90 days, we can return your payment or ExchangeJewelry maintenance Tips:① Avoid Chemicals② Avoid Bath and Sweat③ Pls Wipe with Soft Cloths④ Avoid Crash or friction with other jewelries⑤ Pls Placed inside the Flannelette bag or Gift Box Warm inform: if you do not choose the size you want after placing your order, we default 18 inches.Welcome to SKQIR Store