The Nûby™ No-Spill™ Easy Grip™ cup is specially engineered to fit your child's small hands. The Nûby™ Easy Grip™ cup features an innovative, ergonomic shape with easy-grips on the bottle to ensure a comfortable, secure grasp. The soft silicone spout is designed to prevent drips and spills while being 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.