6 petaloid contacts with each other for a ball and color IC inside which will illuminate when you bounce the ball Inner packing: 1pc/polybag 12pcs/display box Outer packing: 144pcs/carton Volume: 1.5cu.ft N.W.: 6kg G.W.: 8kg Conveyance: Qty/20\'\' FCL: 91,584pcs Qty/40\'\' FCL: 193,248pcs Qty/45\'\' FCL: 264,384pcs