Introducing KeepCup Traveller - a new twist on reuse. A cup-to-bottle system that lets you twist your favourite KeepCup into a classic bottle to caffeinate, hydrate and everything in between. Designed for drinking pleasure, wherever you're headed. Don't waste today. Made from 18/8 stainless steel - a vacuum insulated cup and double-walled bottle lid. The fully sealable bottle and sipper lid untwist for easy fill, easy clean and compact storage. 2 hours hot, 8 hours cold. Free from BPA, BPS, phthalates, lead and cadmium.