Function: Keep your dog visible and safe on those dark, late night walks! Modes: Have the collar flash slow ro fast, or simply glow steadily. Colours: Available in red, yellow, green, blue, white, pink, orange, and all colours in one collar! LED Collar: Get an LED light up dog collar. Material: Made with LED and flat optical fiber. Sizes: Small 35cm, Medium 50cm, Large 70cm - feel free to cut your collar to fit perfectly! Led Light Up Dog Collar | Living Social | Living Social