Description: 【Easy Tennis Learning】: This convenient single training tennis trainer allows you to learn and practice tennis with ease. Simply attach the corded tennis ball to the base and start your training. Tennis Trainer Rebound Ball Set is also a great gift for families and friends on birthdays, holidays festivals, etc. 【Material】: Made from PE material, this tennis trainer is environmentally friendly, highly reliable, and safe to use. 【Stable & Secure】: The base can be filled with water or fine sand for anti slip purposes. This ensures stability during your training sessions and effectively prevents the trainer from moving. 【Ideal Angle for Training】: This enhances your agility and reflexes during practice. Whether practicing at home, on the court, or in the backyard, this compactly designed set is portable enough for you to carry around for training whenever you want. 【Product Specifications】: The package includes 3 anti slip pads, 1 anti entanglement hook, 1 tennis ball(6.3cm/2.48inch) attached with rope and 1 tennis trainer, measuring 24.3cmx20.3cmx6.8cm/9.57inchx7.99inchx2.68inch in size, great for carrying around or storing away when not in use. Specification: Material: PE Size Chart: Tennis Trainer 24.3cmx20.3cmx6.8cm/9.57inchx7.99inchx2.68inch; Ball 6.3cm/2.48inch Package Includes: 1 Tennis Trainer  1 Ball with Rope 3 Anti Slip Pads 1 Anti Entanglement Hook Note: Please allow slightly errors 1-2cm differences due to manual measurement.