1. Food grade silicone A grade silicone is safe and durable.
2. Comes with a height-adjustable base for easy pet sucking Let the pet baby maintain the original drinking position and suck independently.
3. Moderate nipple hole size, and lid are good for the milk flow, in case of chocking.
4. Four Nipples Station Easy to find mother's feeling.
5. Suitable for pet babies new born.