This is a very cool glowing dog collar. I can't put this collar down! It has colorful and gorgeous lights and can emit multiple colors such as blue, green, and red in the dark, which is very eye-catching. The material of the collar is soft and comfortable and will not make my dog feel uncomfortable. Moreover, it is very convenient to operate. You can easily control the light mode just by pressing the button on the collar. Whether it's for daily dog walking or taking the dog to participate in nighttime activities, this glowing collar can make my dog an instant focus and also allow me to easily find it in the dark, giving me and my dog a full sense of security.