Rat hammock size: 3030cm, perfect for rodent, rat, guinea pig, chinchilla, ferret, hamester, etc. Material: Fleece fabric guinea pig hammock + arctic velvet, soft, comfortable and warm. Design: This chinchilla hammock with 3 layers, provides a variety of playing and hiding spaces and increases the fun of your friends. Practicality: The rodent hammock is warm and comfortable, allowing rodents who like to be active at night to rest better during the day. Simple installation: The ferret hammock can be fixed easy and firm in the cage using the hook. (1 hammock and 4* hooks)