double-wall vacuum insulated stainless steel temp-lock™ leakproof dishwasher safe- easy to clean lap advanced cleaning performance bpa free samsung cup holder friendly- fits in nearly any cup holder powerful cleaning vacuum up to 60 minutes** without spare battery for up to 120 minutes of total cleaning time.*** digital inverter motor hermolis jet cyclone thermoflask filtration system* thermoflask terno thermoflask jet 90 ultimate