... quality 3.certificate:SGS,EN71 colored sport ball specification RUBBER FOAM BALLMaterialnatural rubberSize28MM,40MM,47MM, ... massage ball,rugby,dice,pumpkin ball,circle,missile ball,return ball,doggy play ballApplicationSports ball, Decoration,Promotion gift,Rubber Toy Ball Logo ... union Technical: Foam rubber bouning ball, is a ball of solid foaming ball.Natural rubber vulcanization chemical method ...