These armbands can be easily set to flash or shine a solid light to protect you at night either cycling, jogging, hiking or rambling. An adjustable strap means the bands can fit almost any arm size and with the plastic clip can also be attached to bikes, bags or even tents for great visibility at night or in poor visibility. High quality slim fit reflective material lets people at work or in traffic be seen earlier, giving vehicle drivers more time to take evasive action helping to prevent or reduce the risk of accidents. Single Strip LED light for the added safety. Can operate in two modes flashing or permanent. Enhanced visibility and increased safety - perfect choice for runners, cyclists, horse riders, commuters, skiers and pedestrians such as school children or dog walkers. It is also ideal for all workers who are exposed to dangers during their daily work, working in environments that involve many hazards from moving vehicles and increased risk of accidents because of poor light conditions. Adjustable fastening guarantees ease of use and universal fit. Can be fastened around wrists, ankles, bags, backpacks, bicycle frames, saddle stems. Stays securely in place even during rapid movement. Perfect for use for all kinds of sport activities, even as trouser clips to keep them away from the chain when riding a bike. and comfortable to wear without restricting movement and 't cause chaffing even when worn directly next to the skin. Colour:Blue Material:nylon Package Contents: 2 * LED Flashing Arm Strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.