Marshall Small Animal Playpen Expansion Panels Give your pets even more room to play and lounge. This 3 Pack of Expansion Panels can be used to make your Marshall Playpens even bigger! Features: Adds even more room to your current playpen Easy to assemble and use 3 pack of panels No tools required Use with the Marshall 8 Panel Playpen (650717 001) or Marshall 11 Panel Playpen (650889) both sold separately Item Specifications: Size: 18W x 29H Bar Spacing: 1 FC-225 766501002256