Newly designed lid pivots open for easy cleaning. 5 hous hot 10 hours cold. Best mug;Double wall vacuum insulated stainless steel now keeps beverages hot for up to 5 hours or cold for up to 12 hours;New lid-lock prevents the AUTOSEAL button from accidentally being pushed while on-the-go;Top-rack dishwasher safe lid; 100% BPA free, the best coffee travel tumbler.;Patented AUTOSEAL lid automatically seals between sips to prevent leaks and spills , new matte collection