Usage Tips:Product description Size: 5*1*1cm Color: green, black, pink Material: elastic webbing Package content: 4 pcs reflective wrist strap 1.Safe and visible night running gear: 360 reflectivity and visibility in most weather condition at any time with quality reflective straps, highly reflective, it can be seen far away to make sure you will be safe in the bad condition 2.Cars can see you: these reflector bands are suitable for walking at night, bike reflectors, reflective tape for clothing, reflective bands for runners, running reflective gear, reflective bands for backpack, reflectors for running 3.What you'll get: total 4 reflective bands, lightweight, versatile, comfortable and fully adjustable, so it can be worked as reflective arm bands, reflective wrist bands, reflective ankle straps, reflective belt, reflective ankle bands, reflective bike leg band, bicycle pants clips, straps, cuffs or holders 4.Multiple uses: great for runners, walkers and cyclists; It is a multifunctional reflective wristband for night running, hiking, cycling, mountain climbing, outdoor work, or any dark scene 5.Easy to use: no batteries require, lightweight, versatile, durable, without burden and extremely easy to wear, these safety gears provide you nice protection at night and when doing sports, bring lots of convenience to your life