Features of BST4-3 1) Auto set up magnetic locking arm system with quick fit magnetically attached aluminium fixing bars Strong reliable and affordable. 2) Easy to set up. carry and transport. 3) Including the following parts: POP-UP stand. Magnetic tape. PVC. two special Halogen lights. small or big hard trolly case. 4)Specs:3*3(Curved) Graphic Size:W67.3*H222*3 + W67.3*H222*2 3*4(Curved) Graphic Size:W67.3*H222*4 + W67.3*H222*2 3*3(straight) Graphic Size:W73.3*H222*3 + W67.3*H222*2 3*4(straight) Graphic Size:W73.3*H222*4 + W67.3*H222*2