Unique triangle shape for easy grip: Designed for little hands to hold and control, our light weight and super durable TritanTM straw top water bottle keeps kids hydrated at daycare, school, sports and on the go. Easy to open and drink: Easy flow silicone straw requires minimal pressure for easy drinking. Easy push button opening and integrated carry handle to grab and go. Leakproof: We know kids can be rough and tumble and our straw drink bottle is built to last. Leakproof when closed and spill proof when open. Bumper on bottom provides protection from life's knocks. Easy to clean: Dishwasher safe (top rack only). Removeable straw and minimal parts make it more hygienic and easier to clean.