Thanks to our triple insulation technology, our best selling travel mug keeps drinks cold up to 9 hours and hot up to 3 hours. The cup holder friendly shape makes it the perfect travel companion, to and from the classroom, the conference room or even just your living room! Keeps drinks cold up to 9 hours and hot up to 3 hours Holds up to 18oz Fits most standard cup holders Dishwasher safe, top rack only Includes BPA-free lid with removable slider for cleaning Triple insulation technology: double-walled, vacuum-sealed and copper-plated Condensation free and non-breakable Constructed of 5mm 304-18/8 stainless steel Measures 5" H x 5.25" W (lid and handle included); base 3" in diameter; 0.8 lb when empty