Hi,Welcome to our store! 1. Outer mesh fabric, breathable, internal high-density sponge, soft and comfortable, flexible,prevent pet from being injured. 2. Two styles to choose from, two-layer non-detachable stairs, three-layer detachable stairs,Ideal for your pets to reach their favorite places. 3. Our pet stairs are the perfect accessory for helping your little pups or kitty reach that high bed or couch. 4. Removable and washable,an anti-slip bottom makes these doggies stairs for small dogs very sturdy,recommended for smaller dogs, cats or puppies. 5. Please note that before purchasing, see the size clearly. Color:khaki,grey,orange,green,yellow,red,blue Size: 2 Steps Small size:30x35x20cm/11.8x13.77x7.87inch 3 Steps Large size:30x35x30cm/11.8x13.77x11.8inch Package Includes: 1pc Pet stairs Notice: 1. Please allow 2-3% error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference display, please understand.