1. Material: elastic band 2. Weight: about 70g/pair 3. Size: about 28.5x7.56 cm/piece, straightened about 50 cm 4. Applicable crowd: adults 5. Features: elastic fabric, adhesive design, easy to adjust the size, easy to wear, firm and not easy to fall off, comfortable to the touch, breathable and sweat-absorbent, easy to clean
