TEQIN Pets Dog Leash Puppy Vest Collars Belt Traction Rope Comfortable Outdoor Walking Protector Harness Size L: fits for neck length of 44 ~ 60 cm (17.3 ~ 23.6 inches) Reflective Fabric: Reflect lights from far away when the led light switch is off. Walk Your Pet Safetly and Be Seen! Keep you and your dog safe when walking or running at night. Never struggle to find your pet in the dark again with our flashing dog collar! Package: 1X Red L Size USB Canvas Studded Dog Collar