Stainless steel double wall Travel mug Tumbler 16oz Push Button/screw on lid (Blue) Travel Mug: 16oz All Stainless Tumblers, BPA-Free Double wall thermal stainless steel interior with stainless steel exterior. Stylish High Tech Look with Screw top Lid Push Button technology for a leak proof experience Dimensions: 8.25" H x 2.85" Rim x 2.5" Base