b.box Tritan straw Drink Bottle 450ml Emerald Forest Green9m+ Unique ergonomic triangular shape bottle fits the two hand grip of a child perfectly. Easy to open close lid. Lid pops open at the press of button and locks into place to prevent hitting the child in the face when tipped forward. Spill proof bite valve straw top prevents accidental spills Robust carry handle makes it easy to carry and remove out of school bags Silicone straw top and angled straw allows kids to drink even when tilted. Large opening