Natural raw materials.The grass cake is made of high quality grass powder, rich in protein and calcium, perfectly suitable for growing small animals. Apple wood branches can effectively prevent warping. The herbal cookie is suitable for long term storage without the addition of preservatives. They are handmade, with no added sugar or flavor, no sweet taste, and with a slight grassy smell. Safe for your pets. These natural wood chewing pastes prevent boredom and help maintain healthy teeth for your pets. Suitable for rabbits, Dutch pigs, guinea pigs, Totoro, hamsters and other rodents. The grass cake and apple branch are connected in series with steel wire and have hooks that can be hung in the cage or any habitat to allow the animal to grind and play. The straw cake insists on production processes not adding sugar and flavor, so that the grass cake has no sweet taste, only a slight scent of grass, the small pet is very favorite, but some small pets just when you start to contact you can ignore it, since they are unfamiliar with it.