Engineered to make feeding and handling easier, this No-Spill Cup is perfect for beginners. Your little one will find the transition from bottle to cup an easy one with the cup's soft silicone spout and the unique contour shape that easily fits their small hands. You will be delighted with the transition thanks to Nuby's valveless, leak resistant design. The soft silicone spout is uniquely designed to prevent drips and spills while being delicate and gentle to babys gums and emerging teeth. The pressure sensitive TOUCH-FLO feature regulates fluid intake with sucking action of child. When sucking action ceases, the spout closes, ensuring a leak resistant cup.