The Refined Feline Cloud Shelf Replacement PadsEach set contains 2 replacement pads. These soft pads have magnetized backing to easily be removed by owner but difficult to remove by cat. Replacement pads add a level of comfort for your cat, as well as keeping your unique and beautiful Refined Feline Cloud Shelf looking great. Measured to perfectly fit your cloud shelf, these replacement pads have a strong but flexible magnetic backing that keeps them perfectly in place. Fabric side is soft and pleasant for your cat to nap on.