These tennis balls are made of rubber, featuring a soft inner core for a comfortable and comfortable grip. they offer great elasticity and durability, allowing for long term repeated use.
features: the training tennis balls have a diameter of approximately 6.45cm/2.54inch, making them resistant to hard hits and able to maintain their shape even after repeated use.
convenient to carry: these practice balls come with a pvc storage bag that allows you to neatly store your tennis balls and carry them conveniently wherever you go.
wide application: these training balls are nice for various scenarios such as tennis sports, outdoor training exercises, tennis games, competitions, etc. they can also be used as interactive toy balls for playing with dogs.