Bumpers for iPhone 4 1,Dress up your iPhone 4 2,Material: Silicon, TPU 3,fast shipping Bumpers for iPhone 4 Dress up your iPhone 4 with a Bumper. Choose one of 10 colors — white, black, blue, green, grey, pink, red, transparent, purple, yellow — and slip it around the edge of your iPhone 4.Material: Silicon, Silicon Bumpers for iPhone 4 4g I4-002