Inside Diameter : <br>Small Size:58mm-59mm(2.28in-2.32in) ;<br> Medium Size:60mm-61mm(2.36in-2.4in) ;<br> Large Size:62mm-63mm(2.44in-2.48in) ; <br>X-Large Size:64mm-66mm(2.52in-2.56in)<br>Because of the natural jade material, the color and width of these bracelets are often slightly different<br> Before you buy, please confirm your size.<br> Note: Jade is Fragile, please be careful.