Pet Stairs for Small Dogs - 5-Step Curved Dog Ramp for Bed, Couch, Sofa, Car and Chairs - Non-Slip Bottom Design - Cat Scratching Board - High Density Foam Portable Pet Step - BeigeMulti Functional Pet StairsAhpmeoa multi functional dog stairs is a fantastic addition to any pet owner's home! The combination of climbing, playing, cat scratching in one unite is incredibly convenient. Different Size to ChooseThis dog stair has 2 steps, 3 steps, 4 steps and 5 steps to choose. Our 2 step stairs fits for chair sofa bed up to 13inch. 3 step stairs fits for chair sofa bed up to 17inch. 4 step stairs fits for chair sofa bed up to 21inch.