Fashion 3D design, innovative and cool outlook. Locking buckle can prevent your pet from running away or getting lose when the backpack is open. Built-in one transparent cover and one ventilation cover that can be interchanged. The two sides of the pack have breathable mesh cloth and ventilation holes for pets to stay comfortable. Large Capacity space to carry cats up to 18 pounds and dogs up to 13 pounds. Size:app. 35 x 31 x 49cm / 13.77 x 12.2 x 19.29in.