The UAG Rugged Plasma Protection Case for Surface Book 3 or 2 is a lightweight and durable back cover designed specifically for Microsoft Surface Book models. Made of rigid plastic, this multicolor case offers impact-resistant and shockproof protection for the 13.5-inch screen size. With a weight of 1.29lbs, this UAG case by URBAN ARMOR GEAR is the perfect accessory to keep your device protected while on the go.