Solid Rubber Ball for Industry 1.Application:Widely used in round ... Rubber 3.Size:16mm,19mm,22mm,24mm Solid Rubber Ball for Industry (not inflatable):1. Size: φ16mm, φ19mm, φ22mm, φ ... round screen3. Material: Nature Rubber, NBR, Ethylene-Propylene Rubber, Polyurethane Rubber 4. Color: White, Tan, Transparent5. Density: 0.93g ... , please view our website! Solid Rubber Ball for Industry (not inflatable)