Quick answer: This is a weight system component from Sea Pearls.
Getting your weighting right is one of the fastest ways to improve trim and air consumption. Bigger divers often carry more ballast, so spreading it across pockets, trim weights or a harness can take real pressure off your hips and lower back.
Offered in 4 options, including Sea Pearls Lead Shot Soft Weights Bulk 10 lbs x 4, Sea Pearls Lead Shot Soft Weights Bulk 8 lbs x 5, Sea Pearls Lead Shot Soft Weights Bulk 5 lbs x 8, Sea Pearls Lead Shot Soft Weights Bulk 6 lbs x 6.
Confirm it works with your BCD or belt, and do a weight check at the start of every trip. Any ditchable weight should release smoothly with one hand. Read Weight Belt vs Integrated Weights for Better Fit. More options: Weight Systems for Larger Divers.