1)Made of PC,slim wave design,various colors, 2)Eco-friendly,dustproof, ... and toughness,can be twisted freely but never be out of shape;*.Wearproof,water-proof,grease-proof,scrach-proof;* Lightweight, durable ... adding bulk ,soft touching and maintain the thin structure of your device .*.Various of veins are available on the case,attractive and skidproof;*.Environmental designed ...