Promotional Tumblers & Travel Mugs, 40 oz denali - Matte Slate - Vacuum Insulated & Stainless Steel, 40 oz double wall 18/8 stainless steel thermal mug with copper vacuum insulation, stainless steel rim, dual-purpose push-on clear lid, matching sliding closure, flexible wide silicone straw, and powder coated finish · gift box included Hand wash recommended Do not microwave ... #945294 $25.77/each.