Description:With this bright LED pet necklace that illuminates a full 360° around your dog's neck, your pet will be visible to you and others during nighttime activities.Glow the almost whole tube of the collar, very bright in the dark to keep your pets be seen be safe.Easy to use,batteries power,environmental-friendly.This collar is lightweight and easy to carry.it's no hassle to let your lovely dogs wear it.Easy push button switch with quick flash steady glow.Specification:Material: PVCSize: Inner Diameter:12cm/4.72inch;Length:Approx.35cm/13.78inchEmitting Color: Red,Yellow,GreenPackage Includes:1 Piece Glowing Pet CollarNote:Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above.Meanwhile, please be reminded that due to lighting effects, monitor brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.