Multifunctional sports mobile phone bag outdoor running personal waterproof anti-theft waist bag ultra-thin invisible waist bag

Ultra-thin sports waist bag

Material: Nylon Lycra

Specification: free size

Color: pink, black, blue, green

Use: running, outdoor, cycling, mountaineering, etc.

Features: It is made of elastic cotton Lycra, integrated by high temperature, ultra-thin to 1mm, light and close-fitting. Small size and large capacity. It can easily store personal belongings, and it fits well with the body during exercise. You can listen to music while exercising.