Each color of the slap watch is made of the best quality silicone. These silicone slap watches are durable and made to last. Our premium silicone slap bracelets are sturdy yet soft and wrap perfectly around any size wrist. It can also be used as a decoration for matching clothes. Slap watch wristband is great for sports and outdoors activities because they are light. Logo and color can be customized. Measures 11″ x 1.2″. Complies with Prop 65.