The Hydro Flask 16 Oz Coffee Travel Mug with Flex Sip™ Lid lets you enjoy your favorite brew leak-free. This bottle comes with a flex strap and a leak-proof lid so it's easy to transport and your beverages won't leak out. With the smooth flow opening, it is designed for hot liquids but versatile enough for any drink. The double-wall vacuum insulation protects temperature for longer, meaning your cold drinks stay cold and your hot drinks stay piping hot. The Hydro Flask 16 Oz Coffee Travel Mug with Flex Sip™ Lid lets you start your day with confidence, knowing your drink will be right by your side.