?Large Capacity ? The large capacity of 500ml of rabbit water bottles can ensure that pets drink water for the day or even a few days. The water bottle makes sufficient water accessible as if the animals are drinking from a river or stream. ?Automatic ? Just gotta push the bottle down in the groove so the rabbit water bottle automatically lets out water.It will refill water whenever the animal drinks some. ?Material ? No drip automatic rabbit water bottle is made of PET+ABS and double layer design of the drinking bowl prevents pets from wetting their hair when drinking water. ?Sturdy ? The rabbit water bottle fits securely to the bars of the cage so it can’t be knocked over.Since the bottle is outside the cage, the water can be easily changed without opening the cage. ?Quiet ? The traditional upright small animal water bottles with the ball are super noisy at night so this automatic rabbit water bottle perfect as they can drink without the metal noise.