A spill-proof straw cup for your little one The Straw Cup’s almond-shaped, spill-proof straw conforms to tot’s mouth and minimizes mess, easing the transition from bottle, breast feeding, or sippy cup. The straw valve opens as soon as tot’s lips touch spout for easy drinking, and the hinged cap closes to create a leakproof seal. The removable handles provide a comfortable grip for your little one, and the cap and straw are removable for easy, thorough cleaning. Features Almond-shaped, spill-proof straw conforms to tot’s mouth and minimizes mess Straw valve opens as soon as tot’s lips touch spout for easy drinking Hinged cap closes to create a leak proof seal and is removable for thorough cleaning Soft, comfortable, non-slip grip with convenient measurement markings The OXO Tot Transition Series features interchangeable cups and lids.