Double walled Stainless Steel: designed for both functionality and style, this vacuum insulated tumbler keeps your drinks cold for up to 17 hours and hot for up to 5 hours. 40oz/1200ml capacity: large capacity to keep you hydrated and refreshed on the go, with fewer refills. Perfect for commuting and traveling. Right and Left-handed Handle: adjustable lid can be screwed both clockwise and anti-clockwise, allowing you to switch the handle between right and left-handed use. The handle has also been designed to fit comfortably to the contours of your hand for easy grip. Spill proof/leak-proof silicone sealed lid: screw-on, airtight lid prevents splashes, ensuring no spilled liquids. Leak-proof when the plug is closed. You can transport your favourite beverages with confidence and ease. Condensation Free: Keeping your hands dry, this tumbler is comfortable to use and provides easy grip, making it ideal for travelling wherever you go.