Properties: The Wilson basketball is designed for recreational outdoor play. The rough structure provides grip and good adhesion. A butyl bladder was placed inside. Channels between the panels facilitate water drainage. Material: rubber Color: black;Properties: The Wilson basketball is designed for recreational outdoor play. The rough structure provides grip and good adhesion. A butyl bladder was placed inside. Channels between the panels facilitate water drainage. Material: rubber Color: gray;Properties: Wilson basketball designed for recreational outdoor play. The rough structure provides grip and good adhesion. A butyl bladder was placed inside. Channels between the panels facilitate water drainage. Material: rubber Color: gray