470 ml Double walled suction tumbler mug with outer body made from BPA-free ABS material and inside wall made from high grade stainless steel (SS 304) to ensure that your drink maintains its temperature for a long time. Strong vacuum suction pad at the bottom ensures that the mug holds firmly to the surface on which it is placed, making this mug anti-spill. Never worry about spilling your coffee, drink or beverage on to your table because it does not fall! Leakproof lid allows you to keep the mug in the bag, on your car seat, anywhere!