SOLID CONSTRUCTION: Particle board construction with E1 certification, covered with warm and soft faux fur, stable and durableSISAL POST: Each post wrapped with wear resistant sisal ropes, great for your cats to sharpen their claws and protect your furniture from damagingMULTIFUNCTIONAL CENTER: Varying platforms for all manner of cat activity to sleep, exercise, relax, scratch and play. Gives your pet independence to access couches, ledges and high spaceOPTIMAL CHOICE: Optimal for older or disabled animals suffering from arthritis, pain, hip dysplasia, help small, older, recovering animals reach higher spotsDIMENSION: Overall Size: 45L x 35W x 34H cm Step Height: 11cm.