WEIGHT POCKET INSERT FOR BLOCK OR BAG WEIGHT - DIVE RITE 

Product Code: BC2111 Price: Check Latest Weight Pocket Insert The weight system's pockets have a zipper on the top that you can use to add or remove weight in non-emergency situations. A flap at the bottom of the pocket is held securely in place with a large Velcro® flap. In an emergency, pulling on the flap's large, color-coded tab opens the pocket and allows you to ditch weights.