Type: Non-pressurized and 50% slower than a Yellow ball

Approval: International Tennis Federation (ITF) Approved

Desc: All yellow acrylic needle felt with an orange dot ONLY Weight: 36.0-46.9 grams Size: 6.00-6.86 cm Rebound: 105-120 cm Deformation: 1.40-1.65 cm Packing: 3 balls in PET Tube (24 tubes/carton) Recommended for children aged 7-11 and starter adults