Features： 1. Natural mountain straw, healthy and pollution-free, to ensure the safety of pets. 2. The straw sleeping house is hand-made, fine workmanship and durable. 3. It is warm in winter and cool in summer, spacious and comfortable, for you pet sleeping. 4. It has the function of playing games, biting, grinding and relieve emotions. 5. Applicable: rabbit, hamster, guinea pig and so on. Parameters: Size and weight: (approx.) Square house: length: 30cm/11.81in; width: 20cm/7.87in; height: 20cm/7.87in; weight: 500g Tunnel socket: length: 23cm/9.06in; width: 20cm/7.87in; height: 16cm/6.3in; weight: 400g Slipper nest: length: 27cm/10.63in; width: 20cm/7.87in; height: 15cm/5.91in; weight: 500g Material: Square nest, tunnel nest: straw; slipper nest: corn husk List: 1* pet grass nest Warm tips: 1. Hand-knitted, slight size error. 2. Storage advice: natural hay does not add preservatives, more sun, ventilation, can avoid mold.