Size: No.5/No.4 Material: 1.8mm PVC leather Panel: 32/30 panel Craft: machine stitching Bladder: Rubber bladder Layer: polyester 1 layer Weight: 300-380g Printing: Silk or screen printing Logo: Custom's own logo (OEM printing) Standard: EN71, 6P and Reach 2020 Packing: Each ball deflated in per polybag Quality guarantee: 0.8 year