Model 4430-S: Small Knee & Elbow (9″W x 16″L; 5″ opening), Adult up to 150 lbs.
Model 4430-L: Large Knee & Elbow (9″W x 24″L; 5″ opening), Adult over 150 lbs.
Use for bandages, dressings, surgical wounds, orthopedic injuries where use of the hand or foot is desired.