Pet Sponge On The Sofa Bed Climbing LadderOverview: 1. The outer mesh fabric is breathable, and the inner layer is high density sponge, which is soft, comfortable and elastic to prevent pets from being injured. 2. Two styles are available, two story non removable stairs, three story detachable stairs, very suitable for your pets to reach their favorite places. 3. Our pet stairs are the perfect accessory to help your puppy or kitten climb on a high bed or sofa. 4. The removable and washable,