Aitakatta Adjustable Dog Ramp, Portable Folding Pet Ramp, 32" Long Wooden Pet Ramp for Bed with Non-Slip Traction Mat for Small Dogs, Dog Climbing Ladder for Sofa, Bed, Couch,Car(LGPT1,Gray)Brand: Aitakatta Color: Gray Features: A Good Helper for Your Pet: The dog ramp helps your pet reduce muscle and joint tension caused by jumping relieves pressure on paws and joints, and helps prevent joint pain. It is especially helpful for small, frail, and older dogs 4 Adjustable Heights: Dog Climbing Ladder has 4 adjustable heights: 9 inches (23 cm), 13 inches (33 cm), 15 in ches(38 cm), and 17. 3 inches (44 cm). Which is compatible with most home