The ERGObaby Changing Pad coordinates and attaches to our carrier and is part of the ERGObaby Handsfree System. It can also be used independently. 100% 12-ounce cotton canvas Dimensions: 13 x 14 inches Moisture resistant bag for soiled items 2 removable/washable liners 6 inside pockets 2 outside front pockets Velcro and snap closures Attaches to baby carrier Adjustable shoulder strap for independent use Machine wash and dry, gentle cycles