The ear muff is made of coral fleece which is soft, comfortable and warm. It is suitable for winter. The diameter of this ear muff is 4.3 inches. It is larger than the regular one. Wearing this earmuff can keep your ears warm in winter. It is very practical and convenient. It can be a promo product on some trade shows. We can embroider your logo on it. The price includes the shipping cost to the USA.