DOG STAIRS - The curved ramp design is more suitable for puppies to walk and protect pets' knee joints. Suitable for puppies, dogs with limited mobility and elderly pets DURABLE AND NON SLIP - 30D density pure foam has good support. The non-slip fabric and non-slip bottom make your pet more stable when walking, providing comfort and security for your pet THREE SIZES - Our 3-step stairs are suitable for chairs/sofas up to 17 inches. 4-step stairs are suitable for sofas/beds up to 20 inches. 5-step stairs are suitable for beds/high beds up to 25 inches VACUUM COMPRESSION - For easy transportation, the dog stairs are vacuum compressed and packaged. After opening the package, wait for 24-48 hours to completely absorb the air, and it will return to its original stair shape EASY TO CLEAN - The pet steps have a removable washable cover that can be hand washed or machine washed, so you don't need to spend a lot of time cleaning it.