Features:
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: simply pushing the control button makes the light ON/FLASH/OFF.
Pet Bust Size: 
S: 32-40cm   Width: 2cm
M: 38-50cm   Width: 2.5cm
L: 43-60cm   Width: 2.5cm

Specification:
Power source: LED light
Light color: 4color
Modes: Quick flash-slow flash-still on
Battery: 2 * CR2016 button batteries (pre-installed)