Canvas Backpack easily attaches to the shoulder straps of any ergobaby Carrier to provide a comfortable, hands-free way to tote the day's supplies in addition to all of your baby essentials. The pack includes four external storage pockets, two internal zippered pockets, a side bottle holder, and a large main storage compartment. The Backpack comes with padded shoulder straps for use as a daypack and a storage area for the shoulder straps when the backpack is being used with the carrier. Features 100% cotton canvas, attaches to shoulder straps of baby carrier with two velcro straps. Velcro-secured storage area on the back to conceal shoulder straps when backpack is attached to carrier. Solid bottom to help keep the shape of the backpack. Attached bottle holder, two front pockets and side zipper pocket for easy access when being worn. Padded shoulder straps for independent use as a backpack. Top handle for easy toting. Machine wash cold with mild detergent on gentle cycle. Dry on delicate cycle and remove when seams are still damp.