Hydro Flask 21 oz Standard Mouth Water Bottle

The Hydro Flask 21 oz Standard Mouth Water Bottle is made of stainless steel and is double-walled, vacuum-insulated. It is designed to keep drinks cold for up to 24 hours and hot for up to 12 hours. The bottle has a standard mouth opening and comes with a leak-proof lid. It is also dishwasher-safe for easy cleaning.