Item Type: Scuba Diving Silicone Protector Cover Weight: Approx.24g / 0.8oz Material: Silicone Package List 1 x Protective Casing 1Manufacturing Material: Made of high quality liquid silicone, soft, comfortable to touch and good hand feeling, which can be used for a long time. 2Wide Applicability: With wide range of apllication, suitable for Shearwater Perdix AI and for Perdix SA diving computer watch. 3Interated Design: Integrated, elastic, soft and shockproof, aging resistance, close fitting, effectively prevent dust pollution. 4Diverse Features: With excellent elasticity and strength, compact and lightweight, small size, easy to carry and easy to store, perfect for underwater use. 5Easy to Use: Dive computer protection cover, easy to use and fine workmanship. Without any difficult requirements even though you use it for the first time.