· Push AUTOSEAL button for 100% spill-proof one-handed drinking· Spout automatically seals when button is released· Spout cover helps to protect against dirt and grime· Button lock ensures the cover doesn’t pop up accidentally· Integrated carry handle makes it more comfortable to take the bottle on the go· Lid and BPA-free body are top-rack dishwasher-safe for easy cleanups· Underside of lid opens up for easy cleaning· Fits most car cup holders