Through Authenticate 
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)
