Wedge Color Blue Dimensions 20 W X 22 L X 8 H Inch UNSPSC Code 42141705 Ideal positioning shapes for exercise therapy They can be used under the back, arm or leg of a patient for comfortable and functional positioning Can be used to provide the necessary leverage to promote an exercise regime, i.e. under the knee to enable weighed ankle lifts Wedges have integral waterproof polyurethane coating that is easily washed for years of use