The 360 one-piece swivel nozzle can be used inside or outside the cage. 14mm small diameter nozzle outlet, suitable for dogs, cats, and rabbits. Easily add water through the top opening without removing the bottle. Keep the top cap sealed after filling to avoid leakage. Quick connection design, easy to install or remove. Unscrew the bottle from the bottom, not the top. Food-grade stainless steel ball and built-in silicone seal provide leak protection. Made of durable PP, ABS, and PET material, BPA free, safe and non-toxic. How to clean: Put a few drops of cleaner in the bottle. Hold it by both ends and shake for a few seconds. Pour out the liquid, add water, and rinse. Do not run tap water directly into the outlet (steel ball) to avoid displacement inside the valve.