Specifications: Anti slip hole molding design, can fill in the heavy objects to train. Using PE environmental material and high temperature forming technology to make the base more durable. Semicircular ball groove structure, make the ball easily to be attached. Widing towing rope groove design, which is useful for its sort-out. Portable handle design, giving you a comfortable using experience. Type: Tennis Training Base Board Material: PE Quantity: 2 Pcs Style: Casual Features: Exercise Ball, Training Tool, Durable Size: 24.5cm x 20.5cm x 7cm/9.65" x 8.07" x 2.76" (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 Training Base Board 1 x Tennis Ball (The rope's color is random)