1. Material: SBR diving fabric 2. Function: safe and anti-lost 3. Honeycomb is breathable, keeping your back comfortable and not stuffy. 4. 360-degree rotation, anti-lost safety rope 5. Large-capacity multi-pocket design, with internal compartments for easy storage 6. Intimate reflective strip design, strong reflection under weak light at night, making night travel safer 7. Soft shoulder straps, no strain on your shoulders when running 8. Double slider zipper, smooth and not damaged
