Double-wall vacuum insulation keeps coffee hot for 5 to 8 hours Fits standard car cup holders and seals tight with a patented non-spill lid Long-lasting, hygienic food-grade stainless steel with no BPA or other toxins Whether you fill it with homebrew or have your barista top it up with your favourite espresso drink, Cheeki’s coffee mugs will keep you comfortably caffeinated to the last sip. No more cold coffee or scalded fingers, thanks to double-wall vacuum insulation and a spill-proof lid so effective it’s been issued a patent. No more used paper cups to clog your car, wastebasket and the landfill. And no worries about what’s getting into your coffee and your body – these are pure food-grade stainless steel with no lining, no BPA and no toxic inks. They fit in your cup holder and under your coffee machine and are available in an array of colours to match your style.