Low angle slope design：Our low-angle ramp-style dog stairs are specially designed for older pets,small and medium-sized dogs and cats,puppy,and dogs with joint issues. The gradual incline of dog steps reduces strain on hips and knees, offering a safe and caring way to reach the bed or couch sofa. Multi-size & Multi-scene: 3-step dog stair fits for chair/sofa/couch (up to 17inch), 4-step dog stairs fits for reaching higher couch/medium bed (up to 21inch),5-step dog steps is suited for high bed/cars(up to 24inch). Stable & Sturdy: Help your pet reach those hard-to-reach areas with our convenient stairs. The dog ramp is designed for small dogs and is made of high quality 35D foam, suitable for pets up to 50 lbs, providing perfect balance of support and softness. Additionally, the built-in handle makes these ramp stairs highly portable and easy to carry. Double anti-slip design: Our classic check-patterned step is made with anti-slip corduroy material on the steps and non-slip nylon on the bottom, ensuring a safe and stable experience for dogs going up and down. Easy to clean：Machine-washable and removable slipcover of pet step allows for easy cleaning of dirt, stains, and spills. It is also simple to install with no assembly required. Dog step stair