Description
Tennis ball-- it relieves the tension of the lens of the eyeball, is simple and practical, and can play tennis whenever and wherever..Tennis training equipment-- tennis training device has convenient operation, practical, and is not limited by the field, to realize the freedom of practicing..Tennis training tools-- manufactured with plastic material, with excellent durability and practicality..Sports plaything-- made of plastic material, durable and comfortable to use for a long time..Tennis indoor train device-- the spherical groove design fits perfectly with the tennis ball.