Eastabile Dog/Cat LED Flashing Collar Lightweight Safety Pet Collar Keeping your best friend safe on night walks is essential. Our LED Dog Collar lets your dog be seen at 10,000 feet. It's also pretty eye catching. Flashing Dog Collar manufactured to our high standards. Not a cheap collar that will only last weeks. Made of nylon. Sizes shown below in product description. Collar is water resistent. This means that it's fine in rain but not suitable for a dog who is hunting or swimming. Collar has 4 modes controlled with a switch on the collar - Solid Light, Fast Flash, Slow Flash, and Off. Colors: Red,Orange,Yellow,Blue,Green,Pink,Multicolor (Seven kinds color for you chose)