Material: Food grade PP + food-grade silicone Sucking mouth Sizes: S: 2.4CM, M: 3.1CM, L: 3.6CM S:for 4-6 months, M:6-9 months, L: 9+ months Safe and Healthy Material: The feeder is made of environmental silicone and polypropylene which is safe and durable.You can sterilize at high-temperature for no more than 3 minutes A Wide Variety of Food Feeder Uses: Vegetables and fruits can be put into the feeder to feed your baby. Security and Convenience: The lock is easy to clean; the handle holds easily.