Description Do you want to train you to play tennis? Or you just want to train yourself? Then look at our product! This is a tennis train device, and you can use it easily to play tennis! Made of plastic material, you can buy it with confidence! Come and bring ! Features -Color:As Shown -Material:Plastic -Size:22.00X19.00X3.00cm/8.65X7.47X1.18in - Adopted by harm free plastic material, sturdy and durable for long-lasting use. - The stability of the training base can be improved by filling the training tools with water and making them skid resistant on the ground. - The spherical groove design fits perfectly with the tennis ball. - A great gift choice for kids, it is a good educational tool and sports device. - It is suitable for single tennis training, even if there is no partner to play with, you can practice at home . Adopted by harm free plastic material, sturdy and durable for long-lasting use. The stability of the training base can be improved by filling the training tools with water and making them skid resistant on the ground. The spherical groove design fits perfectly with the tennis ball. A great gift choice for kids, it is a good educational tool and sports device. It is suitable for single tennis training, even if there is no partner to play with, you can practice at home .