LED light glows and flashes in darkness.Bright light can be seen from far away.Helps to keep you and your dog & other pets safe during walking.Provide safety for your dogs and pets while it's out alone at night.Also work as a decoration, let your dog more attractive.Easy and comfortable to wear and remove.Easy to use, push the control button makes the light on/quickly flash/slowly flash/off.Type: Leopard LED Pet CollarMaterial: NylonFeatures: Leopard Printed, LED Pet Collar, Night SafetyPower: 2 x CR2016 Button Batteries (Not Included.)Size Details:S:  Length: 22cm-40cm/8.66"-15.75", Width: 2.5cm/ 0.98"M: Length: 32cm-50cm/12.60"-19.69", Width: 2.5cm/ 0.98"L:  Length: 48cm-60cm/18.90"-23.62", Width: 2.5cm/ 0.98"Notes:1. Compare the detail sizes with yours, please allow slight difference due to manual measurement.2. Due to the difference between different monitors, the pictures may not reflect the actual color of the item.