ADJUSTABLE SIZING Resizable design for guaranteed fit. WATERPROOF AND DURABLE Sweat, Heat and Tarnish-proof. Wear it wherever for years. LIFETIME WARRANTY Quality Supported by lifetime warranty. ECO-FRIENDLY MATERIALS Made from recycled and sustainable surgical-graded stainless steel. Details and Size Guide SIZE The bracelet is designed to fit various wrist sizes, with an adjustable chain length ranging from 14.5cm to 20.5cm. Width: 1.2mm Vacier Charm Size: 2.4mm x 9mm How to check if the size is correct for you? We suggest putting a piece of string around your wrist, measure the string and then compare it with the adjustable length range above to know your fit. COLOR Silver and 14k Gold MATERIAL Stainless steel (316L). Surgical grade steel. Much more durable than silver, gold, or platinum. It will not rust, corrode, tarnish, stain, fade, or turn your skin green.