PU round stress ball Unit size: dia 5.5x2.7cm 1.Materials: PLASTIC 2.Safe materials: non-toxic, non-lead, non-phthalate, soft for child 3.Different styles and colors availalbe 4.Glossy surface and brighting colors 5. Promotional item:attractive toy and souvenir, Good choice for collection, decoration and gift 8. Certification and Test report: SGS, EN71 part 1,2 and 3 YOYO with light