Box contents: 2 x cat wall scratching mat. 6 x self-adhesive stickers. 6 pieces sofa spiral nails. 6 sets of expansion bolts. Various installation methods. Everything you need is in the package. Multiple accessories for multiple scenes. Choose the appropriate installation method according to the application environment. 1. Self-adhesive hook for wooden floors, wooden doors, glass, tiles etc. Smooth surface. 2. Sofa spiral nails for fabric sofas and beds, but sofa screws can damage the sofa after use, so please use them with care. 3. Expansion bolts for the wall. Material: natural sisal. Size: 60 x 30 cm. Improved six holes for more stability. Non-slip back design for more flatness.