Product features: This product is suitable for dark environment or night dog walking, outdoor pet sports, through the ultra-bright optical fiber, play a alarming role. while expressing the personality, fashionable design, can be used in day or night. Description: Color:Blue,White,Red,Orange,Yellow,Green,Pink Size: general edition about 80cm/31.5 in,can be cut to resize. Packing list: 1*pet collar