Proddetright infotabs infotabpage lilist style typenonetext aligncentergrey background coloreeemin height34pxborder borderccc 1px solid slazenger open tennis balls the slazenger open tennis balls are perfect for play at all levels and on all court surfaces these slazenger tennis balls feature a tour core for consistent performance and a woven felt covering for extra durability tennis balls 4 tennis balls per tube tour core suitable for use on any cou