Wooden frame and fabric-covered 3-step slope, foldable, supports dog health. - Material: Wooden frame, fabric-covered steps - Color: Gray - Design: 3-step slope - Features: Foldable - Usage: Dog care and health support Thank you for viewing. https://buytop.tisgoodvs.click/index.php?main_page=product_info&products_id=91906 This is the same type as this one. I received it from someone, but there's a gap, so my old dog couldn't use it. See photo 10. When setting it up, due to the support board underneath, there will be a gap unless it's a sofa or a bed with space underneath. Please understand this before purchasing. Shipping costs will apply, so to prevent returns, please consider carefully before purchasing. It's very clean. It becomes flat, so it's convenient.