Size S - Length x width: 20x20cm. suitable for hamster. golden bear. baby rat. sugar glider. etc.Material: Made of comfortable material. soft and of superb quality. coral fleece + arctic fleece. it will provide a safe and super comfortable resting place for your loved one. offering unparalleled warmth and comfort.Importance of the hammock: full use of the large space of the cage. the hammock is always a great cage accessory to make it stroscopic by attaching it with clips.Double layer bed: double layer for pets. it's a good option to cater to their nature of running back and forth through the tunnel where they can relax at the top or snuggle up at the bottom.Easy to use: easily and quickly attaches to the interior of the cage with 4 metal hooks included.