Designed as a day pack, the Backpack easily snaps around the straps of the ERGObaby carrier, for an all-in-one baby carrier and day pack. Carry your baby and necessities for a day away from home; great for active parents who love to hike. Access into the sack is from the top with a solid bottom to help keep its shape. This accessory is roomy and will hold a towel, diapers, swimsuit , change of clothes, snacks, sun screen, hats and more. A component of ERGObaby's HandsFree System. This redesigned, 100% cotton Backpack is a perfect complement to the ERGObaby Carrier and Front Pouch. The new design includes a back Velcro flap to conceal the shoulder straps when attached to the carrier, as well as four outside pockets, two inside zippered pockets, a side zippered pocket for easy access when in use, and padded shoulder straps for use as a day pack.