SlapWrapz(TM) are a fun way to make sure you are both safe and visible for all of your outdoor activities! Powered by high intensity LED lights this adjustable slap-style band will easily and securely fit to just about anything with just the flick of your wrist. Great for running, cycling, walking the dog, and so much more. Features: - Ultra Bright LEDS - Batteries Included - 70 hours steady operation - 100 hours flashing burn time - Weatherproof