The Hydroflask Wide Mouth Flex Sip Lid flask is designed with double vacuum insulation to keep cold drinks cold and hot drinks hot. Its stainless steel lining ensures a pure taste, while its size allows it to fit under most brewing machines for convenient filling. With a leak-proof lid and attaching strap, it's easy to transport, and the soft-touch exterior provides a tactile and grippy feel. Dishwasher safe for convenience, it also features a flex strap on the lid for easy transportation and a twist lid suitable for hot drinks and other beverages, making it versatile for any occasion. Made from durable stainless steel, this bottle prevents flavor transfer and keeps beverages hot or cold for hours. The eco-friendly thermos is easy to clean and dishwasher safe, perfect for on the go. Our double-wall vacuum-insulated thermos keeps beverages cold for up to 24 hours and hot for up to 12 hours. The TempShield technology prevents condensation and heat transfer to the outside. Compatible with Hydro Flex Cap and Straw Lid. No more worries about spills while sipping coffee or tea. This insulated flask fits in most backpacks and car drink holders, making it the perfect companion for your daily routine. The durable bottle is powder-coated, providing a non-slip, grippy surface. We offer a lifetime warranty against manufacturer defects. HYDRO FLASK stands behind our durable and robust materials and is committed to high standards.