Available in  03 Sizes [Length (L) * Width (W)* Height (H) in mm] ~ Small = [230 X 300 X 12], Medium = [280 X 400 X 12] and; Large = [300 X 500 X 12]  in both green/ blue color options. 
Support to base of knee and leg, stabilize the position while knee and leg is aligned at multiple angles, resting during prolonged surgeries
Protect nerve endings and complete pressure redistribution allows blood flow