Merdia Euramerican S925 Sterling Silver Ripple Waves Design Unisex Adjustable Ring For Women S925 Sterling Silver Adjustalbe ring,makes it easy to put on and off. Core diameter for men:1.8CM,width:0.4CM,depth:0.2CM Core diameter for women:1.6CM For men,women,couples.Couples style rings,each sold separately. comes with a delicate red gift box.