• Grows with the child. • Spill-proof valve. • Hole prevents backflow. • Lid with space for the baby's small nose. • Transparent to see the liquid inside. • Non-slip handles. • Easy to clean (Even the valve). • Dishwasher safe. • BPA, phthalates, and PVC free. • Spill-proof solution to teach the baby to drink. • 9-ounce spout with non-slip grip. • Drip-free valve for easy assembly and cleaning. • Pressure release shape for comfortable drinking. • Valve easily removable for cleaning. • All OXO tot lids with spout, training, and straw are interchangeable. • Dishwasher safe on the top rack.