This is the Zeagle Zip Touch Weight System 20 lb Capacity Dumpable Weight System Features: Dumpable weight system 20 lb capacity Usable on any Stainless Steel backplate sysytem Zippered top opening Hook and loop bottom opening A 20lb capacity dumpable weight system for use on any stainless steel backplate system or Zeagle&';s Express Tech BC. The weight system has zippered top openings for loading and unloading weights while the bottom of the pocket has a hook & loop opening that allows the diver to dump their weights.