Timolino VMB-38T 12-Ounce Infuser Vacuum Mug, Brushed Stainless 18/8 stainless steel inside and out Vacuum insulation keeps drinks hot, cold and fresh for hours Simply drop your tea leaves inside the container and pour hot water into the cylinder; your drink them steeps inside Metal screen filters the leaves as you drink or simply pour beverage in a cup Slim profile carries easily in the hand or in a small tote or purse