Gender:unisex Band Material : alloy Crystal L(For thumb) Size:large app17mm dia Length:42mm M Size:middle app 13mm dia Length:55mm S Size: small app 11mm dia Length:38mm Quantity: M(6pcs)+L(2pcs)+S(2pcs)，totally 10pcs Note: Due to the difference between different monitors， the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures， but not the same performance on different bodies as on the model. Thank you!include:M(6pcs) Ring +L(2pcs)Ring +S(2pcs)Ring