This is the XS Scuba Companion Travel BC/BCD Scuba Diving Buoyancy Compensators Features: 40% lighter than traditional BC&';s at only 5 lbs. Back inflation design with 30 lbs. of lift Two trim weight pockets with Velcro release carry up to 5 lbs. each Exclusive MicroPac backpack gives the stability of a "hard pack" and the comfort of a "soft pack" Includes two standard length tank cam straps (p/n BP500) Fits cylinder diameters of 6.9" to 8.0" Versatile adjustment allowing a wide range of fit Two-way adjustable sternum strap Comfortable neoprene neck collar Rear pull dump on right side The Companion Travel BCD has two trim weight pockets with Velcro release that carry up to 5 lbs each. The XS Scuba Companion Travel BCD is what you are looking for in a Lightweight great Lift BCD."