The essentials free flow super sipper is designed for use from 9 months onwards when your little one becomes a lot more active so they need to start drinking more fluids with a flip up lid that is leak proof when closed the super sipper allows for simple safe spill free drinking and is ideal for travel kids love how easy the cup is to drink from while mums love the fold down leak proof spout health professionals recommended a free flow cup as the best option for oral develop