Insulated drinking container. It Holds 17 oz. of hot or cold liquid. It is leakproof with an inner seal. It Has a carrying strap. Keeps liquids hot or cold for 8 hours. Reduce Wedge Thermal 17 oz. in Gray keeps drinks hot or cold for 8 Hours. It is BPA free. It has a leakproof lid with an inner seal. It comes with a carrying strap.