REGAIL 12 PCS Tennis Training Ball with Ball Bag

1. Tennis is made of rubber, chemical fiber needle bristles and other materials.
2. Tennis elasticity is 2.4 meters free fall, without human action 1.3 meters.
3. The bag is made of PE, which is durable and firm.
4. The zipper opens and closes the bag, which is convenient for holding / putting tennis balls.
5. The bag has a handle design for easy carrying.
6. Scope of application: It is used by people from all walks of life.