Naturaliss hay ball, made of 100% natural willow, is a perfect accessory for small mammals and lagomorphs. The hay ball is specially designed for your pet to have fun for hours by rolling it. In addition, if it is a wonderful entertainment, the hay ball also serves a nutritional function. This wonderful complement is covered with natural willow and composed inside of prairie hay and marigold, which gives it a high fiber content. Thanks to these ingredients, the hay ball improves and accelerates the digestion process of your pet and also stimulates and regulates the metabolism of these small animals.