1. Material: nylon
2. Suitable for arm circumference: 19-30 cm
3. Applicable scenarios: running/fitness/cycling/daily life, etc.
4. Features: breathable and sweat-absorbent, thin and light with large capacity
5. Can be used as a hair rope, convenient and practical
6. Textured zipper head, smooth zipping, sturdy and durable
7. Size: 10×10.5 cm