The Pawise blue pop-up shelter works like a small tent that has three holes where your cat can leave and re-enter as many times as they want. Cats like to hide in boxes or closets, hiding is part of their feline nature because they like to have their own space. In addition, it provides physical activity, exercise and fun, for all these reasons the importance of shelters and toys at home, which help your cat develop their natural instincts and release stress.