Premium Ultra-Light High-Elastic Tennis Sponge Ball for Junior Training

National Standard Certification
Officially certified for junior training with precise 8.9cm diameter, ensuring consistent bounce and durability for competitive play.
Ultra-Light High-Elastic Sponge Core
Advanced sponge formulation reduces weight by 30% vs. standard balls, enhancing control and arm-friendly performance for young players.
Precision Surface Texture
Micro-textured felt mimics professional-grade friction, improving spin accuracy during serves and volleys.
Multi-Scene Adaptability
Ideal for school PE classes, tennis academies, and backyard practice—performs equally well on hard courts, clay, and indoor surfaces.
Bulk-Optimized Packaging
Wholesale-ready durable tubes (sold by dozen/case) minimize storage space and shipping costs for academies/coaches.
Fade-Resistant Color Layer
Double-dyed felt maintains vibrant visibility under sunlight, critical for tracking fast-moving shots.