5 Reasons Why Cats Like Boxes

The cardboard can also form to shape of the body, making it more comfortable as you use it more frequently.

5. Cats can scratch and chew it

Another reason cats seem to like cardboard even when they can’t hide inside it is that the soft yet durable surface is perfect for scratching. In fact, many commercial scratching posts already use cardboard, and it’s not difficult to design one. 

Cats can also sink their teeth into the lightweight cardboard without worrying about injuring them, and it can help keep them clean.