KaysCase SafeNet Heavy Duty Cover Case for RIM BlackBerry Z10 10 Dev Alpha B Smart Phone (Pink) Heavy Duty yet Slim Protection Cover Case for your device. Two piece design gives your phone a complete protection. Perforated and impact-resistant shell made of rubber-coated Polycarbonate. Durable, soft and shock-absorbing inner layer made of silicone. Washable and clip-on case with easy access to all buttons, controls and ports