They are attractive, durable and graffiti-resistant with no soggy tennis balls or plastic flip cards. It will score: - 2-out-of-3 sets - 8 Game pro set for juniors - 10 Point tie-breaker They are manufactured from multi-colored layers of environmentally stabilized polymer plastic. UV-resistant and weatherproof. They are not damaged by moisture or the sun's UV rays. The score is indicated on both sides and it's easy to read, even from a distance. Board size is 8" wide x 30" high x 1/2" thickness. Tennis ball indicators are 2" in diameter. Fastens easily to standard diameter net posts with included hardware. Can be used as fixed or removable mounting. The boards are perfect for any outdoor or indoor installation. There are name holders and containers available. Made in the U.S.A.