This 12 ounce tumbler is crafted from BPA-free, triple-wall insulated 18/8 stainless steel and features a ceramic lid. The tumbler includes textured grip, a no-slip bottom and a curved interior that's easy to keep clean. Maintain the temperature of hot drinks for up to 6 hours or cold for as many as 18! Dimensions: 5.75"H x 3" dia.