The BPA-Free Nuby Super Spout Easy Grip cup has a unique one-piece No-Spill soft silicone spout that is easy to use and easy to clean. The new Super Spout promotes a natural drinking action and healthy oral development. The valve opens with minimum pressure and doesn't require constant sucking that can damage new teeth and soft palates. Additionally, the Super Spout Easy Grip features an easy-grip base that is perfect for a child's little hands and a hygienic cover to keep the spout clean when not in use.