Hydro Flask 21oz. Stainless Steel Water Bottle For $20.97 From Amazon This was selling for $32.95 and is now the lowest price ever from Amazon. Dan’s Note: I’m a bit obsessed with Hydro Flask. I love drinking ice cold water and use a Hydro Flask every day without fail. Similar to the Polar Bear Cooler/Suitcase and Bose QC45 Noise-Cancelling […]