This is the XS Scuba Quick Release Single Weight Pocket Features: Velcro release weight dump - pull out, then down Designed to add up to 5 lbs. of bagged shot or hard weight Attaches by sliding over the end of any 2 webbing Easy addition to XS Scuba weight belt or other harness systems Perfect for adjusting your trim Pocket allows quick-addition of up to 5 lbs. (2.27 kg) of block or soft lead in each pocket without slide over the end of a webbing belt. Weight is secured from slippage or loss with quick attachment with double hook and loop closure at bottom of pocket. Pockets are also an easy addition to XS Scuba&';s weight belts or harness systems. "