1.The inside of the sisal column is thick and solid paper tube,which has strong pressure resistance;the outside is sisal,the weaving is firm,and it is durable and durable; 2.Use solid wood material up and down,thick and stable;wall-mounted design,reliable wall with nails; 3.The size is up to 40cm,even if it is a big cat,it can be perfectly applied;the cat can't put it down; 4.It is a toy that teeth,plays and shapes. :base plate diameter 13cm height 40cm sisal column diameter 7cm Type:Cats cat toy : tree: shelf Feature 1:cat scratchers Feature 2: cat Feature 3:cat furniture cats scratching posts Color:as shown Material:wood+sisal Package Contents: 1* Cat Scratch Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.