Pet Blinkers can be easily attached to collars, leads and harnesses, and are visible up to ½ mile away. These water proof Pet Blinkers emit highly visible light signals, activated with a simple twist of the lens. Pet Blinkers work remarkably well from dusk to dawn, providing your pet with enhanced safety for evening strolls. Also ideal for Children and Adults. Pet Blinker flashers come in two sizes (small for small/medium breeds and large for large breeds) and six color combinations: Jade/Pink, Red/White/Blue, Jade/Yellow, Orange/Blue, Red/White, and Blue/White. You'll want to collect them all! Kit includes one flashing button light, a stainless steel clip and three AG3 batteries. Items Postage and Packaging Charge Uk only 0.75p