Volleyball (Cosco Volleyball Blue Synthetic Leather Cosco Volleyball (Cosco-Supervolley) Or Ni Via Supersynthetic Yellow Synthetic Leather (Nivia Spiral) Or Spartan Volleyball Blue Flexible Leather (Spart An Volleyball Supervolley)) Size- Free Size, Material- Synthetic Leather, 12-18 Panel Construction, Outer Mat Erial To Be Of Microfiber Composite Leather, Butyl Bladder Core, High Air Retention Butyl Bladder. For Professi Onal Matches. [ Warranty Period: 30 Months After The Date Of Delivery ] ]