1. Dog Stairs for Small & Medium Dogs These dog stairs are specially designed to help small and medium dogs safely access sofas, couches, and beds, reducing jumping and strain on joints. 2. High Elastic Sponge for Joint Support Made with high elastic sponge, the pet stairs effectively reduce pressure on knees and joints, providing soft yet stable support, especially suitable for dogs with knee injuries. 3. Soft Curved Ramp with Velvet Cover The ergonomic curved ramp design allows pets to climb comfortably, while the premium velvet cloth surface offers a gentle, non-slip feel for paws. 4. Easy to Assemble & Clean Featuring a removable outer cover, these dog stairs are easy to assemble and support machine or hand washing, helping pet owners maintain cleanliness effortlessly. 5. Non-Slip Base & Multiple Tier Options With a non-slip bottom for added stability, these lightweight stairs are available in 2, 3, or 4 tiers to fit different furniture heights, ideal for indoor or outdoor use. Item Name: Dog Stair Material: Velvet Cloth, High Elastic Sponge Features: Lightweight, Washable, Pet-Friendly, Functional Size Details: Two-Tier: Size: 40cm x 40cm x 30cm/15.75" x 15.75" x 11.81" (Approx.), Suitable for Heights of 0cm-40cm/0"-15.75" (Approx.) Three-Tier: Size: 56cm x 40cm x 35cm/22.05" x 15.75" x 13.78" (Approx.), Suitable for Heights of 0cm-45cm/0"-17.72" (Approx.) Four-Tier: Size: 72cm x 40cm x 40cm/28.35" x 15.75" x 15.75" (Approx.), Suitable for Heights of 0cm-50cm/0"-19.69" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x High Elastic Sponge 1 x Cloth Cover