DescriptionDo you still worry about your safety when you're running, walking,cycling in the dark at night? What to do if you feel dangerous when youare on the road? Come here! Our LED glowing armbands are made with high-grade material for durable and long-lasting use.Features-Material: Nylon, LED Electronics -Battery: 2pcs Button Batteries -Adoption of high grade nylon material, can be reused for a long period without broken. -High-quality wristband is firmer, delicate, adjustable, beautiful and not easy to skid off. -These reflective straps are great for all kinds of outdoor activities, such as running, cycling etc. -You can wear it with your left or right arms or share with your friend or family. -This luminous armband is very lightweight, and will not add any extra burden to your arm.