27.51 Oz. Made from high-grade waterproof fabric, durable, water-resistant. Dimensions: 18.62"(L) x 8.5"(W) x 9.65"(H) x 6.49"(Hand Drop). One main compartment, big enough to pack your clothes, cosmetics, books and etc. One Inner zipper pocket on back wall. Sturdy portable belt, durable luggage tag and adjustable shoulder carry strap.