This is the Tusa Crestline 2020 Model BC/BCD Scuba Diving Buoyancy Compensator Features: Ultimate Stabilizing Harness Heavy duty 500 Cordura/420 denier nylon shell for superior strength and durability 2 Large hook and loop fastener Pockets Quick Inflate/Deflate System Rear Quick Dump Valve TUSA's newest fundamental buoyancy compensator, Crestline BC0602B is designed for recreational use and travel, and is versatile and lightweight.