Contigo Cortland Autoseal Water BottleREUSABLE and LEAKPROOF: Sports Bottle with Auto seal technology, automatically seals between sips to prevent leaks and spills; button lock to avoid accidentally pressing the button while on the go ONE HANDED DRINKING: Push the button to release the cap for instant access to your drink on the go, in the office or outdoors; wide opening fits ice cubes; spout cover protects against dirt and germs DURABLE and SUSTAINABLE: BPA free Water Bottle,