Effective: Medilink Thumb Spica Supporting the thumb joint and muscles, high quality thumb brace that restricts the movement of the thumb while supplying adjustable compression and retaining therapeutic heat to improve circulation and promote healing. The lightweight brace allows the full use of the remaining fingers so you can complete daily tasks with ease Medilink Thumb Spica Splint is made out of flexible breathable 3-layered PUF fused fabric. Removable malleable splint supports the thumb in abduction and immobilize the CMC and MCP joints of the thumb. The main quality of the Relief Thumb Spica Splint is that it allows the complete movement of the figures without allowing any movement of the wrist. This feature allows the user to perform regular functions of the figures with ease while preventing any damage from wrist movement. some product wash care instructions are hand wash with mild detergent, do not dry clean, iron and bleach.