1. Material: velvet, elastic band, aluminum strip 2. Two elastic band design, free adjustment, a variety of wearing ways 3. It is fixed with an adhesive strap, which is firmly pasted and adjustable in elasticity 4. Built-in aluminum strips to fix fingers and reduce finger activities 5. Light and breathable fabric, sweat-absorbent and skin-friendly, flexible and high-elastic 6. Weight: 12.5 grams
