INDOOR FOAM BALLS – 1 Dozen quantity. Our original 80cm, uncut, uncoated lightweight foam ball. Yellow foam, with ZSIG branding, they are identical to previous PURE foam balls. These balls are designed to our specific requirements by a specialist ball manufacturer in Sweden. The important characteristic about the quality of our FOAM BALLS is that they are constructed from CUT FOAM, which positively affects the bounce ability of the ball in play. As opposed to lower grade, molded products that are mass produced and sold by big discount sellers.