Stricter Screening & Smaller Tolerances

ITTF Standards:
- Weight tolerance: 2.67g to 2.77g
- Roundness tolerance: <0.25mm
- Hardness tolerance: 0.68 to 0.81mm

DJ40+ balls(for Olympics) tolerances compared to ITTF standards:
- Weight tolerance: 20%
- Roundness tolerance: 25%
- Hardness tolerance: 30%

DJ40+ balls(for WTT) tolerances compared to ITTF standards:
- Weight tolerance: 30%
- Roundness tolerance: 35%
- Hardness tolerance: 46%

Original DHS DJ40+ WTT Table Tennis Balls, officially designated competition ball for 2021-2028 WTT series events, fully ITTF approved professional 3-star seamed ping pong balls, packed 6 pieces per box for match & daily training.

【Core Material Advantage】

New Eco-Friendly ABS Material, Wear-resistant & Pressure-proof

Made of premium environmentally friendly ABS raw material with outstanding impact resistance. The ball delivers perfect elasticity and faster hitting speed, manufactured with exquisite precise craftsmanship, not easy to crack or deform after long-term intense hitting.

【Official WTT Match Spec 】

1. Official WTT Event Ball: Exclusive match ball for WTT Champions, Smash, Contender & Finals tournaments from 2021 to 2028, consistent with professional competition standards.

2. Standard Seamed 3-Star Design: Classic seamed structure, stable flight trajectory, uniform bounce performance, fully meet ITTF international competition certification standards.

3. Strict Size & Roundness Control: Standard 40+mm diameter, ultra-high roundness, no eccentric swing during hitting, bring professional match experience for amateur & pro players.