Premium Quality Ball for Matches Outer Shell: Available in Genuine Cowhide Leather Grippy, High Tech Microfiber imported PU Japanese and Korean, Rubberized Grippy Material, PAK FOAMY Material, Leatherette Grippy Material, Everflex Rubber Coated Material including Local Made PVC and Many More. Lining: 4 Layers Multi Cross Lamination of Polyester/Cotton. Bladder: Latex Balance Bladder with Butyl Valve Air Lock System. Thread: 5 Ply Intermingle Twisted, Stretched Yarn, Waxed Polyester Resists Water Absorption