• [EXCELLENT SCRATCH RESISTANCE]- Large size：11.8" x 15.75”. Come out with 8 pcs tapes and 20 twist pins in package. These cat scratch deterrent sheet are large enough to cover the your furniture base and strong enough to prevent the cat from scratching your furniture. One side is sticky and the other side is smooth， while preventing cat scratching， it does not affect you use furniture. • [NO RESIDUE LEFT， SAFETY MATERIAL]- Adopt medical grade adhesive， non-toxic and odorless， safe for your lovely cats. You don't need to worry about leaving lasting residue on your furniture， but we don't recommend that you use it on leather furniture， because no matter what the adhesive may damage real leather! • [CUSTOMIZABLE & TRANSPARENT]- HAITRAL couch protectors are flexible enough to bend around the contours of your furniture. It can be cut easily and provides you with a variety of sizes and shapes that suit your needs. Not only that， its 100% transparent， so perfect blend with your home décor. • [EASY TO USE]- No complex steps or tools are required. HAITRAL presents 20 twisted pins， but these cat scratch sheets are sticky enough， it can also be fixed without twist pins. You just need to peel off the self-adhesive pad， align with the furniture to be protected， stick the pad in the place to be protected， and secure with twist pins (optional).