This is the Stahlsac Panama Mesh BackPack with Dry Pocket Features: New density foam padded shoulder straps Outside wet/dry pockets 2 Carry handles Tough, snag-resistant polyester mesh Reinforced PVC bottom The most copied design in scuba diving, our Panama Mesh Backpack is the original" design and features two new high density foam padded shoulder straps, extra durable polyester mesh, duffel bag handles and our unique zippered dry pocket inside that combines with a wet pocket outside. The bottom uses reinforced 18 gauge PVC nylon. As a bonus in every bag, we supply a 12" x 12" mesh drawstring bag. "