Material: Silicone + Plastic Anti-falling: from 1.8 m free-fall on hard ground, the iPhone works OK. Windproof and rainproof: Under the rainfall of 200mm per hour, it can keep one hour (non-diving use) Anti-shock: 20 ~ 2000HZ frequency, 18h test passed Anti-dust: it can keep 3h at 18 m/s wind speed Cool look, comfortable feel, but with unusually strong ability to protect With back clip can be removed. The belt clip can be used as a desktop stand All ports have appropriate protection With a screen protection film, does not affect the multi-touch screen function Package included: 1 x Plastic case 1 x Silicone case 1 x Back clip Product Dimensions: 12.7 x 7 x 2cm, net weight: 93g Package Dimensions: 15.8 x 12 x 4.4cm, Weight: 192g