ECO-Friendly Material: The principal part of the pet water dispenser is made of durable PP resin, BPA FREE, which is safe and non-toxic. Rollerball is made of high-quality stainless steel. With an integrative nozzle design. And do not easily fall off. The stainless rollerball can make pets drink fresh water. Safe and Leakproof: Food-grade stainless steel balls and spring interior provide better leakage protection. Its stainless steel balls block the tip of the Copper Tube. Only lick the nozzle. Then water will flow into your pets mouth. Its easy for your pets to drink water fill without too much effort. Simple and Easy to Use: Just unscrew the knob and then use the knob to fix the bottle body and the cage together. Easy to fill water with the top cap and no need to take off the dog water bottles, the capacity is enough for a healthy and well-being of water intake for your pets. Dog crate water bottle capacity500 ML Necessary for Every Pet Owner: As a pet owner, you probably know that you can& 39;t leave home for many hours as your pet may run out of food -and what& 39;s more important- water The water bottle is ideal for puppies, kittens, dogs, cats, rabbits, hamsters, and hedgehogs. Gift