Recommended from 0months and above. Made of grade PP material, safe for baby, eco-friendly, durable to use. Completely Free from Bisphenol- A and Phalates. Made of grade PP material, safe for baby, eco-friendly, durable to use. Bigger aperture of breast closely fit to breast; Enjoy good lactation experience Shorten the distance labor-saving; ergonomic design and milk expression more easy. Perfect suction. Convenient; Handy and easy to use and lightweight.