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. Slip-free, scratch-free and noise-free silicone base. 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. Straws sold separately. Measures 5.75” H x 5” W (lid and handle included); base 2.75” in diameter; 0.6 lb when empty.