Standard Size:  710 X 480 X 150 [60 X 25] mm  [(L * W* H) (h*b)  mm in which L = Length; W = Width; H= Height; h = Front Height; b= base diameter in milimeters. 
It provides platform that rests the body part like upper part of arm while the patient needs to extend its arm in Contoured Arm Board Pad
Elevates upper arm provides similar positioning in various positions