Tennis Trainer

[DURABLE METAL BASE]: Hikeen tennis trainer rebound upgraded with a sturdy base, its own weight and rubberized grip on the bottom increase the friction with the ground, and stay stable on the ground during intense strokes. Ready to use right out of the box, no need to fill it with water or sand for every training session, no worries about leakage, thus keeping your hands clean and simplifying carrying and use-Patent pending [3 HIGH QUALITY TENNIS TENNIS BALLS]: The tennis balls are 30% more highly elastic and abrasion-resistant than the basics, made of high-quality felt and thickened natural rubber core, which provides excellent elasticity and durability, distinguishing them from being more prone to breakage than ordinary tennis balls, which allows you to use the tennis balls for a long period of time without having to worry about them getting damaged [Abrasion Resistant Stretch Cord]: Equipped with 13 feet (4M) abrasion resistant stretch cord, its abrasion resistance can withstand hi