YAMAY&reg; Comfortable Waterproof LED Flashing Nylon Pet Dog Harness Strap Vest Adjustable Comfort with Lights Pet Chest Belt Attractive Lighting Dog Necklace for Small Medium Large Dogs Adjustable Water Resistance Nylon LED Lighting Dog Harness Vest. Small, Medium, Large, Extra Large and 2 Extra Large Size, Perfect fit for the small, medium, large dog. LED Lighting Function, easier to see your dog when walking at night. Easy and comfortable to wear and remove, also work as a decoration, let your dog more attractive. Luminous dog harness, the latest Chest harness combination, practical and comfortable.