Shape : Wrist and thumb support. Size: big. 18.4-21 cm (7 1/4-8 1/4). Materials used in the product: Cotton: 15%. Nylon: 15% Neoprene: 70% How to use: Place your hand inside the bracket. Pull the brace from the thumb direction so that it fits into the designated area of ​​the brace. Close the brace after adjusting it to the appropriate pressure on the wrist and thumb. When to use the product: Wrist sprain. Palm injuries. Simple thumb sprain. Product Features: A support designed to be more comfortable and adaptable to the wrist and thumb. Adjustable can be reset to create the appropriate pressure. Designed to fit both right and left hands. How to wash the product: Hand wash only do not put in washing machines. Wash with mild soap at 30°C or 86°F or cooler. Air dry away from sunlight and heat. Do not iron the product use bleach or chemical cleaners.