The Patapum Waist Pouch is easy to wear and adjust. It is durable and machine washable. It includes an adjustable optional shoulder strap and a detachable key holder. The Patapum Waist Pouch is made to be used with either the Patapum Baby Carrier or the Patapum Toddler Carrier, or you may choose to wear the Waist Pouch on its own as well, as a quick carry-all.