SIZE S: Small dog collar adjustable from 10"-16", width 3/4". Please make sure to leave 2 fingers between collar and dog’s neck. SAFE PROTECTION: Reflective dog collar with high reflective threads keep high visibility at night, makes a safe night-walking with your buddy. COMFY & SOFT PADDING: Padded dog collar is made of high density webbing nylon with padded neoprene fabric. Ultra soft and breathable, comfy to wear. DETAILS: Quick release buckle easy to put on and take off, high quality D-ring dura in use, meanwhile, azuza dog collar is designed with an extra ID tag ring, you can put on your dog's ID tag or any pendant accessory. GUARANTEE: We stand behind every collar we sell. All the collars can be returned or exchanged unconditionally if you're not happy.