Description: The material is safe environmentally friendly easy to clean ventilated and breathable. It can also be used as a decorations. Large opening and spacious interior space. Unique shape suitable for a variety of .The interior is large and the bottom . house for small animal hamster little bird other small furry animals etc. Specification: Material: Paper Rattan Size S: Diameter: Approx. 10cm/3.94inch; Height:Approx. 11cm/4.33inch; Entrance Diameter: Approx. 5cm/1.97inch Size M: Diameter: Approx. 14cm/5.51inch; Height:Approx. 15cm/5.91inch; Entrance Diameter: Approx.6cm/2.36inch Package Includes: 1 Piece Hamster Bed Note: Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.