Product Name: Tennis Training Device/Tennis Training Base (without ball)

Size: Length 23cm * Width 15cm * Height 8.5cm

Packing: Bulk 50 pieces/piece

Color: Blue

Function: Product Description: Can hold water or sand, convenient for filling and pouring, lightweight, durable. Training base, can be used with wire training tennis. After filling the water, the weight of the base is about 1.5kg.
Usage: Please note that the rubber stopper can be removed, and it can be used to put water or sand inside. Tie the ball with a string and you can use it.

1. No restrictions on the venue, moderate exercise, no frequent ball retrieval.
2. Suitable for urban office workers, middle-aged and elderly people in communities to exercise, schools, entertainment venues and youth recreational activities.