The Rhino Vortex Elite is a fantastic match ball. The outer surface is constructed from a blend of finest natural and synthetic rubber with silica reinforced technology. Nano grip pattern to enhance performance and durability. Beneath the surface there are 4 layers of laminated poly cotton with multiplex technology to ensure shape retention. An advanced Nitrile bladder incorporates a unique air lock system guaranteeing inflation every time. 100% hand stitched.