square statement ring Perspex squares with rubber centres and a comfortable rubber band. Width of rubber band of ring: 10mm approx. 30mm x 30mm The Perspex is frosted and semi translucent, except for the black which is a solid matt finish. Sizing: most customers will choose the medium. Because the focal shape is large and the band itself is quite wide (10mm) the ring stays on comfortably even if it is a little loose. Handmade, especially for you Caring for your Rubber and Perspex Rings: Be careful not to drop on hard surfaces. May be cleaned with a damp cloth and mild soap.