Item No. H19 Boxing Reaction Ball 20 grams of black balls, 20 grams of yellow balls, 30 grams of red balls, 40 grams of green balls 2 Ball Set: Red Ball + Black Ball + Storage Bag + 2 Spare Lines + Line Changing Hook + Instruction Manual + Color Box = 125g Color Box Size 81*66*141MM Packing: 59*44*35CM, Each Box Contains 100 Sets, 13.5KG 2 Ball Set: Yellow Ball + Green Ball + Storage Bag + 2 Spare Lines + Line Changing Hook + Instruction Manual + Color Box = 135g Color Box Size 81*66*141MM Packing: 59*44*35CM, Each Box Contains 100 Sets, 14.5KG 3-ball set: red ball + yellow ball + green ball + storage bag + 3 spare strings + string changing hook + instruction manual + color box = 170 grams, color box size 80*65*185MM, packing: 40*36*39CM, each box contains 50 sets, 9.5KG 4 balls: red ball + black ball + yellow ball + green ball + storage bag + 4 spare strings + string changing hook + instruction manual + color box = 200 grams, color box size 126*70*145MM, packing: 53*44*38CM, each box contains 60 sets, 13KG Patented Product Imitation Must Be Investigated China Patent Number: ZL202030292758.3 US Patent Number: 29/737.063 EU Patent Number: 007975727-0001 UK Patent Number: 6090785