Crafted from durable Tritan, this B.box one-of-a-kind big kids drink bottle is perfect for kindergarten and school-aged childrenThe uniquely designed triangular shape of this bottle is perfect for little hands, ensuring an easy and secure grip. A simple push button pops open the lid, keeping the straw hygienic when closed and securely in place. The spill-proof bite-valve straw prevents accidental leaks, making it ideal for active kids. A sturdy carry handle allows for easy transport and hassle-free removal from school bags. With a 450ml capacity and an angled silicone straw, kids can sip every last drop and stay hydrated all day long.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 spillsRobust carry handle makes it easy to carry and remove out of school bagsSilicone straw top and angled straw allows kids to drink even when tilted.Large opening to easily refill and insert ice cubesMinimal parts makes it easy to clean, assemble/disassembleRemovable bumper, to customize the lookDishwasher Safe450ml / 15.2 fl. ozDimensions: 77mm (d) x 75mm (w) x 232mm (h)BPA, PVC & Phthalate free