Note: the vests and wristbands can't illuminate by themselves, they will only be reflective when light falls on them
It is elastic & adjustable, shoulder to waist expands from 15" to 20", waist circumference expands from 27" to 39", one size fits most, for men,women and kids
High Visibility: offers 360°visibility, reflective material on the vest which makes you be seen 801 feets away by cars at any weather condition like dark, rain, fog ,to keep you safe all the time
MULTI-PURPOSE USE: great for kinds of outdoor activities: walking, running, cycling, motorcycling, skateboarding, skiing, snowboarding, horse riding, dog-walking, kids play
Comes with 2 adjustable reflective bands, can be work as wristbands, armband, leg straps, anklebands. No need batteries for vests and bands