You will be delighted with Nûby's valveless, leak resistant design. The soft silicone spout is uniquely designed to prevent drips and spills while being delicate and gentle to your little one's gums and 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.
*Suitable for Nuby™ Thirsty Kids™ Sip It Sport