Hurry and grab the HYDRO FLASK Wide Mouth Vacuum Insulated Stainless Steel Water Bottle with Leakproof Straw Lid in Black for only $30.97. I can vouch for the Straw Lid – the new design really is leakproof! THE BEST BOTTLE: A 40 oz Wide Mouth water bottle with Hydro Flask’s leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice,