Features: Simulating breast-feeding experience, provides the most comfortable breast-feeding way for pets. The flow of the feeder is stable, the nipple simulates the breast of the pet mother, and the touch and size are more realistic. Easy to clean and use. When dog uses this bowl for the first time, guide the puppy to chew the nipple. When dog chews, it will gradually adapt to its own milk~. Designed for puppies, kitten, chinchillas, squirrels, rabbits and wild animals. It is suitable for staff in pet shops, pet hospitals and other place to help them feed their pets more conveniently. Specifications: Material: Plastic Size: Approx.11x5cm/4.33x1.97inch Color: 3 Kinds Optional Package Includes: 1x Pet Milk Feeder or 1 Set Replacement Nipples(5pcs) note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.