20 oz RTIC® Stainless Steel Vacuum Insulated Essential Tumbler-USA 250th

Keeps drinks cold for up to 24 hours or hot for up to 6 hours Ceramic-lined interior for enhanced taste and no metallic flavor Leak-resistant, double-threaded lid for easy sipping and secure closure Double-wall, vacuum-sealed insulation for temperature retention Silent silicone base prevents clanking on surfaces