Double Wall Vacuum Insulated Technology - High tech insulation methods prevent heat transfer to the outer walls of the tumbler, keeping your cold drinks ice-cold for up to 24 hours and your hot drinks scalding-hot for up to 8 hours. Our stainless steel tumbler use a sweat free design that prevents any temperature changes or condensation from forming on the outside, making sure that this cup never leaves a spot & you never burn yourself again! https://www.lovingbottle.com/sta...stom-color-and-logo.html