Sanzang Funny DIY Cat Tree Cat Condo Cat Climbing Shelves for Kittens, Jumping Steps for Small Cats, 3 Pads Per Package(Blue,S) This is perfectly fit for small cats.Shelf supports: below 15kg. A good cat floating shelves. Unique option for small cats/kittens to climb on walls. Easy to install, funny climber for your kitten. DIY cat climbing shelves make your room more funny. Save your room space, a perching shelf for cats. A new concept for cat condos.. Each package include: 3 PVC shelves(17*35CM),6 Shelf brackets(15*20cm), 18 twist-ties, 18 M3.5 screw, 18 pipe.