This is the OMS Vertical Ballast System w/ Utility Pocket - 6lb SINGLE Features: Combo Weight pocket and utility pocket system Holds up to{6 lb | 2.7 kg} - waist attachment design Includes small zipper pocket at top and inside storage pocket Includes outer D-ring for SPG or accessory attachment Compatible with most backplate system using a {2 in | 5.1 cm} webbing This combines the OMS Vertical Weight Pocket with a useful utility pocket big enough to fit a spare mask/ reel, cutting tool or small SMB. The pocket has an inbuilt elastic loop for clipping off to. The OMS Utility Pocket w/Vertical Ballast is sold individually. Order two if you need a pair.