Features 1. Self Taught PEAK Training tool: Suitable for various purposes of a PEAK coach, it can improve speed, hand eye coordination, endurance, and performances in PEAK matches. Suitable for adults, children, singles, beginners, etc. 2. High Quality Materials: The portable Pik Ball Trainer Bounce Ball Set is made of high-quality materials, lightweight, sturdy and durable. The bottom plate of the trainer is equipped with anti slip pads for easy use. Water can be stored in the base to increase stability. 3. Widely Used: The serve trainer is equipped with a portable handle, which is easy to carry and is very suitable for indoor and outdoor practice, such as in gardens, parks, courtyards, etc., providing you with a comfortable experience. This independent basketball rebounding practice tool