Stainless Steel Vacuum Insulated Water Bottle with Twist-Free Lid, No-Screw Insulated Tumblers, Portable Thermo Flask for Cold or Hot Beverages thermal flask

•MOST COMFORTABLE OPENING AND LOCKING OF LID – Fully open and close its cap with one hand! The lid of Revomax tumbler is designed with buttons to press for opening or closing it. It also has a ring which you can hook your index finger through for single-handed use of our stainless water bottle.

•WITH EXHAUST VALVE FOR PRESSURE RELEASE – This also highlights the built-in air exhaust valve which releases pressure before opening the lid. This is particularly beneficial and useful when you have carbonated drinks in your to-go drinking bottle.

•LONG-LASTING TEMPERATURE RETENTION – The double wall insulation of our thermos flask keeps cold beverages chilled for up to 36 hours. On the other hand, it can retain the warmth of hot drinks for up to 24 hours.

•SUPER SECURE LOCK – Revomax features a double seal with preset evenly constant pressure applied on it so that nothing ever leaks out. There’s also its safety lock indicator making it entirely free of leaks. It never loosens and opens accidentally!

•NO-SLIP, EASY GRIP HANDLING – The exterior of our flask has matte finish and powder coating. It’s non-slip and its copper plating maintains the attractive colors. Even better, this on-the-go tumbler doesn’t sweat!