The hook is designed in two pieces and has room for a leather handlebar. One piece to protect the handle of the stroller, and a hook to hang underneath. Both pieces are designed to fit together, and are held together by two strips or two pieces of Velcro. The hook can carry a bottle with a top cap that has a hole for a hook, or a shopping bag made of e.g. fabric. The Velcro bands is 10 mm across and aprox. 22 cm long.