16oz Biodegradable BPA-Free Tumbler

Double wall, vacuum insulated travel mug keeps beverages hot for up to four hours and cold for up to 12.  This 16 oz. stainless steel travel mug features patented AUTOSEAL technology for 100% leak and spill proof performance.  Press the AUTOSEAL button to sip, and release button to automatically seal.  Sleek design fits most car cup holders for travel.