WensLTD HotsaleLED Lights Leopard Flash Night Safety Waterproof Collar Our collars are made of Durable Polyester, LED light glows and flashes in darkness. LED Powered by 2pcs CR2032 Cell Button Helps to keep you and your dog & other pets safe during walking. Fashionable and personalized designed for your pet Provide safety for your dogs and pets while it's out alone at night. We have 4 size for this beautiful collar, and dog leash perfect for matching with the collar Colors:Yellow,Red,Pink,Green,Blue