The Contigo Fuse is a straightforward insulated bottle that is 100% leak-proof and with Thermalock™ double-wall vacuum insulated 18/8 Stainless Steel will keep drinks hot for up to 13 hours and cold for up to 30 hours. Ideal for any adventure, its rugged powder-coat finish gives you a textured grip even when your hands are wet or sweaty. The durable, flexible TPU lid tether means no loose parts and acts as a carry handle on the go. Additionally, the soft traction bottom pad eliminates clinking. It even works with carbonated beverages. Fully dishwasher safe and 100% BPA-free.