Product Features: 1. Lightweight and easy to put on and take off, with no burden in use. 2. Sturdy and comfortable: Helps relieve swelling and pain while maintaining full - range motion of the thumb and fingers. It is especially suitable for use during sleep. The ergonomic design and soft padding make it very comfortable to wear. The ventilation holes ensure breathability and comfort. 3. Wrist - fitting: We aim for it to fit your wrist perfectly. Therefore, instead of using a interchangeable design suitable for both hands, we offer left - hand and right - hand models in different sizes to ensure that your specific needs are met. 4. Free finger movement: Helps relieve swelling and pain while maintaining full - range motion of the thumb and fingers. It is particularly suitable for use during sleep. You can still carry out your daily activities normally while wearing it.