The M.O.B. is made of sturdy 1,000 denier nylon. That fabric has an exceptional tear strength and resists puncturing, tearing and abrasion like a champ. The M.O.B. has tough carry handles as well as removable non-slip shoulder straps. Carry it like a suitcase or a backpack, it’s all good. One huge main compartment plus two large side compartments will keep all your various goods safe and secure with rugged YKK zippers, and external D-rings provide secure attachment points for additional accessories.