Keep all of your biking accessories and gear in one convenient place while enjoying an exhilarating bike ride with this twin bike carrier bag. Composed of lightweight and durable polyester and PVC, these adult bicycle bags feature pressing buckle straps which fasten securely to the back of your bike, and feature a carry handle so that you can conveniently take the bike packs with you for off-road travel. The bike panniers feature 4 spacious compartments (2 front main pockets, 2 zippered pockets) for storing bicycle pumps, snacks, cell phones, small laptops, and other accessories while you ride. For the perfect blend of sleek style and convenient bikes accessory storage, this rear rack bicycle bag is an excellent choice. This bicycles pannier bag measures 12.6 L x 9.45 W x 5.51 H in inches.