8 HOURS HOT & 14 HOURS COLD - Do you like to sip your favourite brew slowly, as the day progresses or do you like to carve out a little 'me and tea' time for yourself? In either case, our Coffeemate insulated mug is just what you need. It maintains the temperature of your favourite brew, so you can sip or drink whenever, wherever. 304 GRADE, RUST-PROOF STAINLESS STEEL INSIDE- Made of the best quality, food-grade stainless steel our Coffeemate is crafted to ensure the beverage inside retains its temperature and freshness. COPPER COATED DOUBLE-WALL VACUUM INSULATION - The double wall vacuum insulation of the mug maintains the temperature of inside contents for hours and prevents condensation from forming on the bottles exterior.