*Made of Eco-friendly PP material odor-less and non-toxic environmental and soft for kids *Skip ball is a great indoor and outdoor childrens jumping exercise that serves as a safe alternative to large jump ropes which can easily strike or harm young children Manufacturered by XIANK-UA. *Swing-balls high density plastic is made to last even after months of skipping *Swing ball helps to develop childrens coordination and motor functions while burning excess energy and giving kids a fun cardio workout to do with friends *One of the Best Fitness Equipmentgood Outdoor Entertainment Toy