The Kid Basix Safe Sporter Sippy Cup in blue has a cutting-edge design that is made from non-leaching, unbreakable stainless steel. Free of BPA, phthalates and other harmful chemicals, this lunchbox-sized cup is clean and safe. It features a single-walled design to maximize volume, a wide mouth, an easy-pull spout, a mud cap to keep the spout clean, a band to protect hands from cold liquids and a coaster to protect it from dents. The ergonomic grip makes it easy to hold on to and it will fit in most cup holders and bike bottle cages. Dishwasher safe.