Kids have fun pushing the button to open the flip up straw for effortless drinking at the touch of a button. To protect the mouthpiece from damage and dirt, it folds away under a cover. Adults will appreciate that the straw has a leak proof valve, so car seats and tables are protected from spills even if the little ones hold the bottle upside down. The bottle is made of robust stainless steel and equipped with vacuum insulation. When it's time to clean the bottle, you'll be pleased with how easy it is to use: all parts are dishwasher safe, the lid is easily removable, has no nooks and crannies for dirt and grime to collect in, and is therefore completely cleanable. You can be sure that your new water bottle is made of bpa free material that does not give off any odour or taste. For children from 3 years old. The comfortable carry handle makes it easy for children to transport the bottle, and a lid protects the mouthpiece from dirt and germs. The pop up straw has a 100% leak proof valve that prevents spills even when the drink opening is openchildren enjoy easy one handed drinking at the touch of a button. The easy clean lid is designed to have no nooks and crannies for dirt and grime to get trapped in. Straw is easy to remove for thorough cleaning, but remains attached so no loose parts can be misplaced.