Auto feed: Automatically feed your pets, save water and don't leak. Note that you need to fill the water bottle with water. If it is not fully filled, it will cause insufficient internal pressure and water leakage. High quality material: Made of high quality plastic and stainless steel, environmentally friendly , safe, durable, fine workmanship, fine processing, durable. Buy with confidence Clean and healthy: the stainless steel ball nipple is rustproof and provides fresh water, pets can drink directly from the ball nipple, there will be no no hair, dust, bacteria or stains in the feeder, clean and healthy animals. Wide range of applications Size: S: 180ml, M: 300ml, suitable for parrots, birds, hamsters, rabbits, chinchillas, cats and other small animals. Reliable customer service: Want to give our customers a good shopping experience.