A large zip top bag with 3 front pockets and 2 side bottle pockets. It has double carry handles and a detachable shoulder strap. The backpack straps are tucked away in a back zip pocket until ready to use. Inside the bag are 5 pockets and a changing mat, the bag also has an insulated bottle bag. The bag has a Clipix system to enable it to be attached to your stroller. Size: 45 x 10 x 35cm (W x D x H).