1Made of highquality neoprene and aluminum alloy, it fits the skin and is strong and durable. 2Provide necessary support for your thumb, both left and right hands can be used, clean and healthy. 3Help relieve thumb fractures, tendinitis, promote healing and reduce pain and discomfort. 4Using selfadhesive cloth material, the degree of tightness can be adjusted freely according to your own situation. 5Suitable for any one of the five fingers, can be used to fix different fingers, flexible and practical.