This stainless steel XXL thermal mug features a non-slip surface, a practical handle, and a stainless steel straw. Thanks to its triple vacuum-insulated wall with a copper layer, it prevents condensation and keeps drinks hot for up to 6 hours and cold for up to 12 hours. Capacity: 1200 ml Materials of the mug: stainless steel, copper layer (BPA-free) Straw materials: stainless steel, silicone The thermal mug is not suitable for use in a microwave or on a conventional stovetop. When washing in a dishwasher, place it on the top rack.