Overview: Durable & beautiful design Made by high grade silicone Provides a comfortable grip, added protection against accidental drops Keep from direct contact between your hands & reduce the chance of signal loss You can access all the buttons, audio jack, charging port & so on without removing the bumper Perfectly fits the iPhone 4G, easy to insert & remove Specification: Weight Approx:33g Size Approx:11.8 x 6.3 x 1.5 cm​