Features: Brand new and high quality Good Quality and Durable: Tennis trainer is made from good quality ABS material, the tennis ball is made from thickened inner liner and high elastic rope, which can achieve effective rebounds and durable. Single Trainer Device: This is a great tool one-person tennis trainer with tennis ball with rope. Tennis practice rebounder with innovative designs, break the limit of space, and enjoy the joys of tennis anywhere you like. Clever Designs: The top is a semicircle grooves designs, tennis ball can be placed when not in use. The middle part is designed as an annular grooves, which can place the elastic thread, thereby avoiding the trouble of entanglement and knotting. Designed for Single Training: The tennis self trainer is equipped with high elastic ball with elastic string. When you hit that ball, the tennis ball will rebounds again by the traction line to achieve the effect of repeated strikes. Wide Range of Use: The tennis practice rebounder can be used for outdoor training, such as parks, tennis court, back gardens. It will accompany you to spend a pleasant leisure time. Specifications: Material: ABS Color: Green/Orange/Blue Package Weight: approx.25g Size: approx.25x16cm/9.84x6.29in (More Size Detail, Please See Photo.) Note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks! Package includes: 1x Tennis Trainer Set Good Quality and Durable: Tennis trainer is made from good quality ABS material, the tennis ball is made from thickened inner liner and high elastic rope, which can achieve effective rebounds and durable. Single Trainer Device: This is a great tool one-person tennis trainer with tennis ball with rope. Tennis practice rebounder with innovative designs, break the limit of space, and enjoy the joys of tennis anywhere you like. Clever Designs: The top is a semicircle grooves designs, tennis ball can be placed when not in use. The middle part is designed as an annular grooves, which can place the elastic thread, thereby avoiding the trouble of entanglement and knotting. Designed for Single Training: The tennis self trainer is equipped with high elastic ball with elastic string. When you hit that ball, the tennis ball will rebounds again by the traction line to achieve the effect of repeated strikes. Wide Range of Use: The tennis practice rebounder can be used for outdoor training, such as parks, tennis court, back gardens. It will accompany you to spend a pleasant leisure time.