Product dimensions of the hay feed bag: The Guinea Pig Hay Bag 4 holes (45 27 cm). High quality material of the hay bag: The bag is made of Oxford fabric, reinforced window edges, durable and waterproof design. The rabbit hay feed bag can resist biting and is durable. It solves health problems in pets and is healthier than plastic food. You can use it safely and your pet will grow up healthy and happy. The bag does not take up much space in the cage. Easy to install the hay feed bag: The chinchilla hanging feeder has two hooks that can hang the hay bales quickly and stably on the pet cage, which is convenient for pets of company. You can easily pull and lock the straps through the cage, no other tools needed, very convenient and easy to install. Window design and portable design of the hay feed bag: The guinea hay bag has 4 holes. Windows can keep pets in order while eating and keep the pet cage clean, reducing waste.our rabbit hay bag is foldable for easy carrying and storage, soft, lightweight and saves you storage space. The rabbit bag can keep pets in order when eating and keep the pet's cage clean, reduce waste. Multifunctional Hay Feed Bag: You can use it for your pet rabbits, guinea pigs, hamsters, chinchillas, cats, hedgehogs and even pigs; the edge of the bottom layer is the thickening design which effectively prevents small animals from biting and helps reduce hay waste. Additionally, the food bag is removable, so you can clean it easily.