Specifications: Material: alloy Color: as the picture Diameter: 17mm (adjustable) Package: 2PCs rings Features: --- Design Style : personalized, lover ring, couple ring, friendship ring, 2pcs set. --- Material: High quality alloy .Non-toxic, harmless, lightweight, not easy to slip off, long-term and skin contact is not allergic. --- Size:Adjustable opening ring set, suitable for most people's size! --- Occasion : Perfect gift for Mom, Daughter, Sisters, friend and Other Family Members. It is a perfect gift for anyone.