Pet dog stairs features a sponge foam base with soft fabric cover, providing both comfort and strong support to your puppies as they go up and down from high beds or couches. You can train them to use stairs, helping to prevent injuries to their back or joints caused by jumping. Undoubtedly a highly practical accessory for pets. Note: Vacuum-packed, waiting 24–48 hours to allow stair to fully expand and decompress. Archie & Oscar Size: 4 Steps (19.49" H x 30.12" W x 15.35" D)