The Small Cork Vacuum Coffee Mug has a unique cork base. Keeps your drinks hot for up to 5h and cold up to 15h. Fits most coffee machines. RCS (Recycled Claim Standard) is a standard to verify the recycled content of a product throughout the whole supply chain. Total recycled content: 69% based on total item weight. BPA free. Capacity 180ml. Including FSC®-certified kraft packaging.