1. Material: corrugated paper 2. Size: Small: 32x32x6cm, Medium: 36x36x8cm, Large: 41x41x10cm 3. Function: Anti-scratch sofa 4. Applicable object: cat 5. Concave fluid arc design, protect joints without hurting claws 6. Heavier at the bottom, no longer running 7. High-density corrugated paper, no flying debris and longer lasting 8. Can both grind claws and be a nest
