ALL ITEMS ARE AVAILABLE UNLESS MARKED AS "SOLD OUT" *CHOOSE THE CORRECT VARATION IF THE ITEMS HAS DIFFERENT COLORS/PRINTS SO WE CAN AVOID MISTAKES *WE ACCEPT RETURNS IF THE ITEM IS NOT YET WORN OR USED. Portable Self-study Practice Tennis Trainer Base Rebound Ball Training Tool Specifications: The upgrade nylon elastic rope promises you durability and high elasticity in training. Super easy to use, simply fill the base with water to give it weight to counter the balls motion. Free yourself from the hassle of the need to go to the tennis court to practice your volley. The bottom of base is designed with anti slip layer, not easy to move. Item Name: Tennis Trainer Material: High Density PE + Nylon Features: Easy to Use, Durable, Tennis Practice Tool Base Size: 20cm x 20cm x 10cm/7.87" x 7.87" x 3.94" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Tennis Trainer (1Pc Tennis Ball Included)