Are you keeping your dog safe at night?! Every year, thousands of dogs get hit because they're not visible at night to cars! ?? Introducing our best-selling Glow-In-The-Dark LED Safety Collar which lights up your dog and keeps him (or her) safe and very visible! With a simple on/off button and options for solid or flashing light, our Safety Collar glows brightly with its strong LED technology. It is also water resistant and lasts up to 80 hours before a battery change is needed. Grab one while supplies last! S code width 2.5cm short 35cm long 43cm telescopic range 8cm M code width 2.5cm short 40cm long 48cm telescopic range 8cm L code width 2.5cm short 45cm long 52cm telescopic range 8cm XL code width 2.5cm short 52cm long 60cm telescopic range 8cm Features 100% brand new and high quality. Stylish and fashion appearance. Comfortable to wear, it will not hurt your pet. With buckle, easy and convenient to wear and remove. Specification Rain resistant, durable and adjustable. LED Powered by 2pcs CR2032 Cell Button (Included) Color:as the picture showes Material: Nylon