Head Cow Colored Polyester 40x42x25cm Mars & More. This fine Head has the material 100% polyester. It’s a wonderful item to spicy up your house and fits with most deco items in your home. The weight of is just 0.9480KG, it’s really easy to lift and move the product. This product is available in several sizes. And it has multiple colors. Size: 40x42x25cm.