3-in-1 Pet Bike Basket and Carrier - Large/Ocean Blue Size: 16"L x12"W x11.5"H Sleek design with two pouches and zippered pockets Comfort pad with internal tether to keep pet safely inside 600 denier nylon shell with sturdy floor and sides Universal bike attachment can be easily installed on most bikes (NO TOOLS REQUIRED, fits handle bars up to 1"diameter).