Nice gift  for your pet Safety!
Water-proof and easy to adjustable  with invisible square switch,very cool.The LED flashing dog collar makes your dogs, not only safe and comfortable, but also a decoration at home and pretty scenery outside 

Dog Collar description:

1.Material:Nylon+LED flashing optical fiber

2.Collar size: S: 35-43cm Width: 2.5cm M: 40-47cm Width: 2.5cm L: 45-52cm Width: 2.5cm

3.Any color available as your requirement Can be mixed color

4.Light Color:red,orange,yellow,green,blue,white light colors are availble

5.Three flashing modes:Steady, quick flash, slow flash;

6,If quantity is more 500pcs ,custom logo is available. 

7,Operated by 2 piecesx CR2032 button cells

8,Visible up to 200 meters in the night.