HIGH QUALITY MATERIALOur reflective dog collar is made of high-density nylon, which is comfortable, flexible, lightweight and elegant. The nylon webbing joints are all sewn to protect your dog and hands from being scratched during use. The side of the collar near the neck is padded with soft neoprene material to provide the most comfortable fit for your dog while walking, jogging, running and hiking. DOUBLE SAFETYThis adjustable collar quick release buckle is made of high-quality sturdy plastic and can be quickly released with one hand. Lighter than metal buckles, more comfortable to wear. BEST CHOICEIf you are looking for a stable and comfortable collar for your dog, more importantly a high security collar, this is the right choice you should try. High-density webbing, quick-release buckle, soft padding, double D-rings , washable, quick-drying, odor-resistant, the classic solid color collar will make your dog look good on travel and daily walks More stylish and trendy. This is the best gift for him or her. 360REFLECTIVE STRAPEach of our nylon collars use 2 special reflective lines to provide 360all-round protection, the high reflective dog collar maintains high visibility at night to ensure safety. You can easily find your furry pets in the backyard at night, and at the same time effectively avoid traffic accidents and other accidental hazards when walking at night (Note: the reflective line itself will not emit light) 3 SIZES & ADJUSTABLEBe sure to measure your dog's neck before placing an order, don't just choose the size based on your dog's weight or breed. Please refer to the size chart: S size is suitable for 11.4"-17.7" (approx. 29-45cm) neck circumference; 13.4"-20.9" (approx. 34-53cm) neck circumference; L size is suitable for 16.1"-25.2" (approx. 41-64cm) neck circumference. (Note: always allow enough breathing room)