Pet Gear, A Vermont Family Owned Company Since 1936. "L" Shaped stair layout takes up less space in room Rubber grippers on bottom keep stairs secure and in place; Snaps together very easily (no tools required) Hinged back panel for access to storage space Low step height 5”; Top step depth 16", 2nd step depth 8.75", 3rd step depth 12"D, bottom step 9"D