Material: The hay bag is made of Oxford cloth and is well made. The metal hook is stable and strong and cannot be easily torn off by rabbits. The bag does not take up much space in the cage. Easy to install: The feeder bag is equipped with a hook, which can easily connect it to a wire cage and adjust its height accordingly. Easy to carry: This hay bag is soft and foldable, and can also be hung with a shoulder strap for easy carrying and storage. Window design: There are 4 windows on the hay bag, the rabbit can put its head into the hole to eat the hay, the hay stays in place, reducing hay waste. Also prevents food from coming into contact with rabbit droppings. Perfect for Pets: Ideal for rabbits, chinchillas, guinea pigs, guinea pigs and other small herbivorous animals.