Varied bounce balls with different diameter and paper card inside! You can provide your favorite pictures to put inside the ball Item: TP Series.Name: butterfly bounce ballsDiameter: 38mm, 45mm, 48mm, 60mmColor: red, blue, green, yellow or customizedMaterial: synthetic rubber, nontoxicCertification: EN71, ASTMLOGO: logo printing is available Supply Bounce Ball (paper card)