EZclassic Add-On RoomEZclassic Add On Rooms come with: 28x28 Add On: One (1) x Front Panel set with doors Two (2) x 28" side panels Two (2) x Posts w Caps. 38x38 Add On: One (1) x Front Panel set with doors Two (2) x 28" side panels Three (3) x 10" side panels Five (5) x Posts w Caps. 48x48 Add On: One (1) x Front Panel set with doors Two (2) x 28" side panels Six (6) x 10" side panels Eight (8) x Posts w Caps. ***Add On Rooms do not come with a liner, pad, or rails. Add