Keep your dog safe at night with this LED Nylon Dog collar! This illuminated collar will help keep track of your dog and also make your dog safe and visible. This collar is silicone waterproof, meaning it is fine in the rain but not suitable for swimming.

S:  Width 2.5CM(0.98Inch)          length  35~43CM(13.8~16.9Inch)

M: Width 2.5CM(0.98Inch)          length  40~48CM(15.7~16.9Inch)

L:  Width  2.5CM(0.98Inch)        length  45~52CM(17.7~20.5Inch)

XL:Width  2.5CM(0.98Inch)        length  52~60CM(20.5~23.6Inch)