No more spills - the AUTOSPOUT lid features a straw and a spill-proof valve so you don't have to worry about spills (even when it's open!)Material matters- 100% BPA-freeClean up - top-rack dishwasher safe lid and bodyCleaner drinking - protective spout cover helps keep out gross dirt and germsKeep it together - tethered straw so there are no separate parts to take apart or misplaceCarry on - carry loop for on-the-go activities