18oz Stainless Steel Double wall Travel Mug with Twist Locking Cap, chrome handle and spill guard 18 oz. Stainless Steel Travel Mug, naturally BPA-free! Double wall Stainless-steel Inner Liner and Stainless Steel Outer Liner, insulates hot plus cold drinks for few hours Twist Locking Cap with spill guard and sliding openning Chrome Handle Dimensions 3.5" W x 7.5 H+