Stabilising wrist brace to position the thumb in a correct position for left hand. Its design allows full mobility of the rest of the fingers, thus ensuring proper functionality of the hand. Made of double injection materials and different rigidity is perfect for Immobilising the thumb without discomfort and allowing a correct grip function as the area closest to the fingers is slightly more flexible and rounded. Its use has been devised for post-surgical treatment of the thumb, loss of strength, thumb arthroplasty, instability, etc.. This size 1 wristband fits a perimeter between 16 and 19 centimeters.