Silicone Protector Cover For Shearwater Perdix Ai And Perdix Sa Diving Computer Watch Scuba Diving 100% Band new and high quality. Refined by high-quality silicone, one-piece molding, good elasticity, soft, anti-vibration, and anti-aging. Can be closely attached to the computer watch, effectively prevent sand and dust pollution, durable. The color is eye-catching. Easy to install and durable in use. Size: 83x74x39mm Material:Silica gel colour:Black Package Contents: 1 * Computer watch case Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.