Made of felt and rubber, the Babolat Court padel balls are approved by the International Padel Federation. Racket sport derived from tennis, padel (also called paddle tennis) is a game where two teams of two players each hit a ball over a net on a court surrounded by glass walls or fences. The padel racket has no strings; it features a flat surface with holes. The ball is similar to a tennis ball, but with lower pressure.