1,Easy to put up , carry and assemble. No tools required. 2,Different size & style for option 3,Widely use in exhibition booth 4x4 Portable Pop Up display(PU-58A)Material:AlunimunColour:Silver whitePop Up series:3x1,3x2,3x3,3x4 and so on.The assemble of whole set 4x4 pop up1 set 4×4 pop up frame 6 pcs PVC panels(with 28m Magnetic Strip A)28 pcs special Magnetic Poles(with 30m Magnetic Strip B) ...