Chicco NatFeel baby bottle, made of durable polypropylene (PP), 330 ml capacity, designed for babies 6 months and older. Ready to use; wash and sterilize before first use. Assemble teat and ring, fill with warm (not boiling) milk or water, check temperature before feeding. After use, disassemble, clean and sterilize. Ideal for feeding at home or on the go.