Advantage NonSterile Gauze Sponge, 4 x 4 Inch, 1 Case of 20 Roho Cushions Covers Single upright hinged for 3 7318 DS SLV Single upright hinged for 3 point leveraged compartmental pressure reduction The Aneroid Calibrated© V Lok© Inflation System consists of a non latex bulb Air Flo© control valve Latex or Non Latex bag and Calibrated© V Lok© Cuff *The Calibrated© V Lok© system clearly indicates whether or not the correct size cuff is being used *The center of the bladder is marked for correct application on either the right or left limb *Hook and loop fasteners are used to provide the optimal number of open close cycles *Cuffs conform to the shape of the limb and have no hard stiff edges *Cuffs are made of tightly woven heat set Dacron No exposed raw edges – cut edges folded in Sponges provide maximum absorption