1. Material: nylon, cotton 2. Applicable to: people with thumb joint injuries in sports training and use of computers and mobile phones to trigger their thumbs from time to time 3. Not easy to pilling, durable 4. Firmly protected, comfortable and soft 5. The thickness is only about 0.1 cm 6. Suede felt, paste tightly 7. Paste design, adjustable size 8. Size: M is suitable for a circumference of 13-16 cm, L is suitable for a circumference of 17-21 cm 9. Weight: about 20 grams
