The 470ml Contigo West Loop Stainless Travel Mug with Easy-Clean Lid features a unique drop-down mechanism that pivots open for easy cleaning. 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. - Autoseal lid automatically seals between sips to eliminate spills and leaks - Lid underside flips open for easy cleaning - Double-wall vacuum-insulated stainless steel keeps beverage hot for up to 5 hours or cold for up to12 hours - Top-rack dishwasher safe. 100% BPA free - Fits most single-serve brewers and car cup holders - Button lock prevents accidental pressing of Autoseal button - Colour: Blue - Size: 470ml - Autoseal lid automatically seals between sips to eliminate spills and leaks - Lid underside flips open for easy cleaning - Double-wall vacuum-insulated stainless steel keeps beverage hot for 5 hours or cold for 12 hours - Top-rack dishwasher safe. 100% BPA free - Fits most single-serve brewers and car cup holders