Engineered to make feeding and handling easier, designed with two people in mind, the Nûby™ No-Spill™ Grip N' Sip™ Cup is perfect for beginners.The Nûby™ No-Spill™ Grip N’ Sip™ is uniquely engineered with Easy Grip™ handles that are sized to fit your child's grasp. You will be delighted with the transition thanks to Nûby's valveless, leak-resistant design. The soft silicone spout is uniquely designed to prevent drips and spills while being delicate and gentle to baby’s 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.