Set-6PC Megi Pet Dog Safety Led Clip on Light Cat Safety Blinker Flashing Collar Keychain Assorted Color Secure stainless steel carabiner -Water resistant Push button on/off switch,Flash or Glow mod which has bright LED area light Designed to keep you and your pet safe - Visible for more than 1/2 mile Dimensions: approx. 1.26" x 0.75"(Diameter and thickness) Package incl 6pcs dog flashing lights: 1pc white, 1pc green, 1pc red,1pc blue, 1pc pink and 1pc yellow