CONTIGO | Snapseal Byron Vacuum Insulated Stainless Steel Travel Mug Vivacious 16oz/470ml 2095664 | CT-049Care Instructions Hot contents may result in the discharge of hot vapor. Open to release pressure away from body. Keep out of reach of children when filled with hot liquids. To properly use your SNAPSEAL"" mug: Snap up to drink {1 ) US standard specs manufactured in China Snap to it with leak proof SnapsealTM! Powered by SnapsealTM Technology. Push lever up to drink, push down to close. Leak proof One handed operation with a soft grip One piece lid "