Features : 9m+ 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 to easily refill and insert ice cubes Minimal parts makes it easy to clean, assemble/disassemble Removable bumper, to customize the look Dishwasher Safe 450mls/15oz capacity