This is the Highland Side-Slide Weight Pockets - PAIR Features: Large, side-squeeze 2 buckles on the front of the pocket for easy release of weights Adjustment strap with D-ring to cinch down for snug fit Each pocket holds up to 12 lbs (5.5 kg) of lead weights The dual grommet tail on the back allows for attachment to the backplate. This keeps pouches from sliding forward. A 30Adeg angled web retainer on the back provides an option to mount the weights at an upward angle, a feature desirable to small waisted divers A large, 2" stainless steel D-ring is found on the bottom of each pocket for accessory attachment Side-Slide weight pockets are an easy way to add lead to a 2" webbed harness, usually associated with a backplate and a wing."