Keep your beer carbonated to the very last sip with the Hydro Flask 64oz Growler. Designed with TempShield vacuum insulation, this Growler will keep your hoppy beverage cold for up to 24 hours while showing no signs of condensation. Being made of 18/8 Pro-Grade Stainless Steel, this bottle is able to remain very strong, unlike your typical glass container - allowing you to pack it with you on every outing with shatter-proof confidence. With an easy pour handle and the Fresh Carry System keeping your drink carbonated all day, you'll be able to have delicious frosty beer anywhere you go.