Designed by Beaver Sports and often imitated over the years, the original Beaver Sports Weight Pouches remain the ultimate in precision buoyancy control for sports and professional divers worldwide. This heavy duty mesh pouch contains 3kg of ungraphited lead shot, perfectly suited for use in your Weight Integrated Buoyancy Control Device, Tech Weight Harness or Padded Pouch style Weight Belt. Multiples of 1, 2 and 3 Kg pouches can be combined to obtain the perfect level of buoyancy when diving , regardless of equipment used and location. Don't be fooled by inferior copies of Beaver's original invention, insist on the best, insist on Beaver!!