Material: Nylon, silicone Size: S size: 28-34 M size: 35-39.5 L size: 40-44 [Using bandages to correct and relieve hallux valgus] --- Our reinforced and adjustable thumb eversion protector correctly aligns the big toe with the corresponding long bone. This minimizes bone lumps caused by hallux valgus correction and alleviates pain caused by compression. It ensures effective hallux valgus. Multi functional --- Our Hallux inversion is made of unique breathable fabric, which is as soft as baby skin and comparable to advanced lingerie materials. Their design is suitable for different types of shoes, whether they are sports shoes, flat shoes, sports shoes, sandals, or high heels. Hallux eversion orthosis with anti slip heel strap --- Our Hallux eversion corrector is equipped with an anti slip heel strap, and its soft and comfortable fabric is skin friendly and won't rub against your feet. They ensure effective correction of hallux valgus. You don't have to worry about them slipping while walking or training. Whether you're wearing shoes, walking barefoot, or sleeping, you can wear it. BREATHABLE SOCKS: Hallux Corrector socks are made of comfortable and breathable polyurethane, with tens of thousands of pores on the surface, making them more breathable and comfortable! Excellent ductility, can stretch better, suitable for most people's size EASY TO USE: Toe Separator, developed with the help of orthopedic doctors, can be used with any type of shoes at night and in daily activities. It is easy to put on the left and right feet. It can be washed repeatedly without deformation.