Advanced beginner. BPA free. Develop skills without spills. Easy to use. Contour shape makes drinking easier. Gerber is dedicated to helping you provide your little one with good nutrition. Our complete Graduates line of food and tableware is designed to make learning to self-feed easy and fun every step of the way! Features: Contoured shape makes drinking easier; valve locks in so it won't fall out. Flow-control valve only releases liquid when child sips. Lid and valve interchangeable with all Gerber Spill-Proof cups.