Made in collaboration with S'Well, this water bottle is triple-walled to keep liquids cold for 24 hours or hot for 12. Made with 18/8 stainless steel that's BPA free and vacuum-sealed to keep liquids and carbonation fresh. 10.25" H x 2.5" D 17 oz / 500 ml Vacuum sealed, BPA-free 18/8 stainless steel ThermaS'well technology keeps liquids cold for 24 hours / hot for 12 hours Condensation-free exterior Fits in a standard size cup holder Hand wash only