1. Material: special light-sensitive fabric 2. Applicable waist: 65-128cm 3. Applicable scenarios: running, fitness, cycling, mountaineering, etc. 4. Safe reflective silk screen, take care of friends who travel at night 5. Reinforced high elastic elastic band to fix the water bottle 6. Water repellent fabric to prevent the built-in from being eroded by rain 7. Size: 38x17.5cm 8. Weight: about 161 grams
