Made of durable cotton canvas. Features 3 inside compartments, 2 inside bottle pockets, wide adjustable straps, 2 side zip-close pockets, 2 exterior compartments, and a zip-down changing pad. Zip down changing pad also includes 2 compartments, one of which could be used as a nifty pillow for the baby's head, and measures 32.5" x 15". Diaper Bag measures 16"L x 12"H x 5"W.