Check the listing for details. TENNIS TRAINER “REBOUNDER” - ELITE TRAINER (NEW). Condition: New. Listed at 39.99 USD. TENNIS TRAINER “REBOUNDER” - ELITE TRAINER (NEW) International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructionsINNOVATIVE POWER BASE DESIGN - Eliminate the hassle of filling the base with water or sand each training session; Our unique anti-slip base is weighted down and ready for instant use; The center of each base includes a wrap around location for the rope and a velcro strap to secure tennis balls not in use; This heavy duty base utilizes an easy to use handle to maximize portabilityTRAIN YEAR ROUND - Tennis is now a year round sport regardless of the weather when you have an Elite Trainer set; This product is ideal for training whether you are indoors or outside; It works on most surfaces, so all you need is an open area