This award-winning sippy cup is the only straw cup you need for children 6 months to toddlers. Baby centric design is leak proof thanks to the straw's valve - Kids need to place their lips over the whole straw (rather than just the tip) and press down on the straw, to open the valve and enable liquid flow. Suitable for warm or cold beverages plus our innovative weighted straw allows your little one to drink from any angle. Dishwasher and sterilizer safe!