'Hydro Flask' 21 oz. Standard Mouth w/Flex Cap - Cobalt

Keep cold drinks icy cold and hot drinks piping hot with the 21 oz. insulated stainless steel water bottle by Hydro Flask. This size fits well into your car cupholder, a small shoulder bag or the pocket of a backpack and the double wall vacuum insulation keeps any temp for hours. S21SX407 Versatile: middle-of-the-road size TempShield™ insulation: eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours Durable 18/8 Pro-Grade Stainless Steel construction BPA-Free and Phthalate-Free Proprietary Powder Coat: easy-grip & sweat free Compatible with Standard Mouth Insulated Sport Cap Lifetime Warranty