Revomax Vacuum Insulated Double-Walled Water Bottle with Twist-Free Cap, 473ml/16oz

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 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 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 18 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,