1. use: this table tennis ball trainer is made of durable materials and a soft feel for excellent performance. Soft and hard wheels protect your club without damaging it, while its ability to resist deformation and weathering ensures a long life. 2.VERSATILE TRAINING SOLUTION Equip yourself with a table tennis ball trainer that is ideal for players of all sizes and ages. With its heightadjustable training wheels, this versatile training solution ensures that everyone can improve their skills with comfort. 3.VERSATILE TOOL Enhance your game with the table tennis training wheels that help you with training and lifting effect. This professional equipment is perfect for players of all levels as it improves effect control and adds variety to your exercise training. 4.EFFECTIVE IMPROVEMENT The tennis ball trainer allows you to practice a variety of table tennis skills for efficient training, which helps strengthen muscles and quickly improve the skills of beginners.