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 petsDURABLE AND NON SLIP - 35D 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 petTHREE 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 inchesVACUUM 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 shapeEASY 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. Very convenient. Note: Do not wash the sponge foam