The Yonex Tour tennis balls feature poly-isoprene core and tour-grade woven felt for longer durability, high visibility, and a water-resistant surface suitable on all court surfaces.
These pressurized balls are for tournaments and are used at various ATP and WTA Tournaments.
The tennis balls have excellent durability and visibility and are water resistant. Additionally, these tennis balls are tested and approved by ITF.
About YONEX: YONEX manufactures badminton racquets and other sports equipment. The company has been in business since 1968 and is known for its superior quality and attention to detail.
These are a great pick for a clay court and even on a hard court. The bounce is a bit on the lower side but these do last long.