Eastabile LED Pet Blinker Dog/Cat Flashing Safety Blinker Collar Light Color Buckle (Green) Size: Length: 2.17inches, Diameter: 1.38inches, Thickness0.98inches Secure stainless steel spring clip easily clips anywhere you need a little light Weather resistant. Push button switch. Colors: Red,Orange,Yellow,Blue,Green,Pink,White,Clear,Multicolor (Nine kinds color for you chose) Flashing Mode:Quickly Flashing / Slowly Flashing / Lighten up