The 1-2-3 Sip! is the only true training cup which helps a child advance all the way from a straw to mastering a real cup. children practice all the complex movements in steps without opening the valve all the way – it’s like drinking with training wheels.At first a child can sip from the silicone straw, which is soft and feels good against gums and teeth, then move on to practice tilting and drinking from the Lid + Spout and finally master a real cup on their own. Includes: 1x 6oz mini cup, 1x spout lid, 1x silicone straw set Reasons we love it: Goes from silicone straw, to non-drip lid with spout, to a real cup The non-drip lid has a spout perfectly sized for little mouths Earth and family safe materials, biodegradable and food grade Dishwasher safe and easy to clean Materials: Mini cup + non-drip lid: plant based biodegradable and petroleum free PLA Straw and lid cover: food grade silicone