EASY SETUP: The product is vacuum-packed and needs 24-48 hours to expand fully. The 5-step model connects a 2-step and a 3-step with a side zipper for easy installation. DURABLE DESIGH: Made from high-density 35D foam, these stairs provide stability and can support over 60 lbs, ensuring safety for pets of all sizes. INTERACTIVE FEATURES: Perfect for multi-pet households! The stairs include a tunnel for cats to play, offering an engaging space for your furry friends, especially suited for small dogs. WASHABLE COVER: The removable outer cover is machine washable, making it easy to keep clean and maintain hygiene for your pets. VERSATILE USE: With multiple steps, these stairs can adapt to various spaces, providing convenience for pets to reach couches, beds, or any elevated areas with ease. ZOMISIA Tunnel Dog Stairs ZJ 5 Steps Khaki US