It has a spacious main compartment for larger supplies and equipment and a gussets front pocket to organize instruments and smaller supplies. Seven adjustable dividers organize the spacious interior . The full-access lid has clear vinyl pockets and a full-length zippered pocket. Large , zippered compartments on both sides . Crafted of rugged, water-resistent nylon. Durable, water-proof, vinyl scrim protects the bottom of the bag.