Hydro Flask 21-Oz. Vacuum-Insulated Bottle - $19.88

Double-wall, vacuum-insulated technology keeps contents hot for 12 hours and cold for 24 hours. Bottles are hand-cast from 18/8 stainless steel. They are BPA-free and resistant to bacteria and odors. Patented 1.81 standard mouth size has a larger opening than the original 1.44 narrow mouth size. Manufacturers lifetime warranty.Colors: Black, Blue, Green, Orange, Red, Stainless. - $19.88