It is also an excellent way to ensure both you and your pet\'s safety.
Features:
Material:nylon strap+LED light bar+battery pack controller(batteries included)+buckle.
Color:red，blue，yellow，green，orange，white，pink.
light modes:Continuous on，Slow flashing，Fast flashing，pause or off.(with switch to select).
LED Powered by 2pcs CR2016 Cell Button.
With buckle， easy and convenient to wear and remove.
Comfortable to wear， it will not hurt your pet.
Note: Please make sure to measure your dog for accurate sizing before purchasing to ensure the perfect fit.
The actual color of the item may slightly vary from the pictures due to the light and different monitors.
The size is manual measurement， there may be 2-3cm error.
Please understand.
Item Size:

M，Width:2.5cm;Shortest:40cm;Longest:48cm;Flexible range:8cm.
XL，Width:2.5cm;Shortest:52cm;Longest:60cm;Flexible range:8cm.