Double Yellow Dot Squash Balls SB 990 Twin-Pack Model Code:8649081 Gymnastics halls are our research

Gymnastics halls are our research laboratory

SW = 272 Swingweight: This indicates how easy a racket is to handle and its ability to transfer energy to the ball (power)

the Perfly SB 930 yellow dot squash ball should bounce - at least 38 cm at 23 degrees Celsius - between 76 cm and 89 cm at 45 degrees Celsius

thanks to its Symbium technology

a tank top or a sports bra and shorts or leggings

Double Yellow Dot Squash Balls SB 990 Twin-Pack Model Code:8649081 Gymnastics halls are our researchThis Perfly SB 990 double yellow dot squash ball is designed for club level squash players taking part in competitions. WORLD SQUASH FEDERATION APPROVED BALL (WSF) Being approved and meeting WSF specifications allows this Perfly SB 990 double yellow dot squash ball to be used in all competitions, from club tournaments through to the Open International de Squash (professional level). Composition This Perfly SB 990 double yellow dot squash ball is made