SBD Wrist Wraps, Size M, Stiff Only tried on the wrist, never used. Stiff type wrist wraps. Width 8cm, available in 3 lengths: 40cm, 60cm, and 100cm. The elastic material used in the wrist wraps is uniquely developed and manufactured to support the wrist. A wide and thick thumb loop is specially manufactured to ensure complete wrapping around the wrist. When wrapping, even if the wrist wrap is pulled tightly, the specially manufactured loop provides stability, achieving a more complete wrap. The stiff type is made to be extremely rigid. It is one of the stiffest wrist wraps on the market and has high performance for fixing the wrist.