The New 473ml Contigo Westloop Autoseal Mug is here to help you say goodbye to accidental spills and mess while you are out and about! This mug features the one-touch Autoseal lid that automatically seals between sips to prevent spills and the NEW lid-lock button prevents the Autoseal button from accidentally being pushed while on-the-go. The travel mug provides convenient one-handed drinking and fits most car cup holders. This double wall vacuum insulated mug is engineered to keep drinks hot for up to 7 hours or cold for up to 12 hours, without condensation.