COMFORTABLE PET STAIRS - This foam dog stair is designed directly against the edge of a bed, sofa or other furniture, so your pet can climb up and down comfortably. It's a portable dog stair for small, large and extra large dogs. | MULTIPLE STEP SIZES - This dog stair has 3 steps, 4 steps and 5 steps to choose. Our 3-step dog stairs are only suitable for sofa and low beds (no higher than 18inch). And 5-step dog stairs for high beds are more suitable (no higher than 27inch). If your bed is not too high or low which is medium height, please choose 4-step dog stairs (no higher than 23inch). | STEADY DESIGN - 33D density of pure foam, and eco-friendly PP hollow sheet make this stair more steady. It can also be folded into a simple dog bed to save your space and easy to carry. Our foldable dog stair is a nice dog step for couch and bed. | EASY TO CLEAN - The dog step has a removable washable cover that can be hand washed or machine washed, so you don't require spending a lot of time cleaning it. It's very convenient. | CARE INSTRUCTION - After removing the foam from the compression bag, please allow 24-48 hours for the foam to fully expand before use. Please note that the inner foam is not washable.