Through Authenticate 
Rubber Reaction Ball, Made of Special Macromolecules Material
Made of special macromolecules material, safe, nontoxic
Flat-free, don't need to inflate regularly, the rebound is same in any season
Main purpose is for training the reaction ability with the irregular rebound direction
Awarded the certification of international safety standard of toys for children under four years old
Awarded the SGS certification, free of ten major heavy metal materials and chemical materials, such as toluene or formaldehyde and meet the European and USA safety standard for children's toys
(EN71 part 1 to 3, 9 to 11, cadmium, and DIN53160 (saliva and perspiration)
