This Molle compatible transport pack is Hydration bladder compatible. Waterproof bottom. Heavy duty zippers. Polyurethane coated lining and pockets for water repellency. One large main compartment with interior mesh zippered pocket. Front zippered compartment with exterior zippered pouch. Adjustable removable waist belt. Adjustable padded shoulder straps with D rings. Padded back with breathable mesh backing. Top carry handle. Top and side adjustable web straps with quick release buckles. Size 19"x15"x8".