cork ball 1) Portugal cork material,soft and healthy. 2) diameter is various 3) used for sports balls,handicraft,toys. cork ball 1) Pure cork material from Portugal,healthy and environmental friendly. 2) Used as various sports balls,handicrafts,gifts and toys. 3) Diameter: 8mm,30mm,45mm,50mm,75mm. 4) Customer diameters can be discussed as well.