Optimum Comfort Gel Cushion 18 x 18 x 3 Wrist BP Monitor 42 52 * Non slip or caregivers to reduce 42 52 * Non slip belt stays put below the ASIS and acrss the PSIS even with activity * Belt conforms to the natural contours of the pelvis yet still provides the rigid support the SI joint needs * Comfortable plush fit 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 * 18 x 18 x 3 Optimum Comfort Gel Cushion (18 x 18 ) * Unique channeled gel bladder prevents gel migration in high pressure areas * Gel channels provide relief over the entire cushion area * Foam base provides additional support * Inner foam core has a liner to protect the integrity of the foam * High end cover with straps