The Dr Brown's Straw Cup features a unique easy-slide cap that keeps the straw clean and the cup free from spills when it is closed. A super-soft silicone straw helps to make drinking easy for little mouths. This leak-proof, easy flow cup is convenient for home and on the go as toddlers learn and improve their cup drinking skills. Easy to clean cup is top-rack dishwasher safe and is also BPA-free.