Continue your baby's path toward independent drinking with the Gerber Graduates Easy Straw cup. The wide, oval-shaped straw is easier for your child to drink from and the durable, silicone material encourages healthy oral development and is gentle on sensitive teeth and gums. The straw also has a built-in valve that's leak-proof. The 1-handed slider is easy to use and the 2-piece straw is easy to clean. There is also built-in finger loop for easier carrying. Gerber Graduates Easy Straw cup is 100% leak-proof, spill-proof, and break-proof, guaranteed. All Gerber Graduates cups help support healthy motor skill development to foster happy, healthy kids every sip of the way! The NUK family of brands designs safe and fun products that encourage your baby's development. NUK is committed to nurturing your children's healthy transitions from birth to toddler and has worked for over 50 years to design high quality, innovative products that are scientifically proven to support safe and healthy development.