[Package Content]: You will get 1 non-slip tennis training base and 1 tennis rebound ball with long elastic cord, 3 pieces in total, enough for games and replacements.[High-quality materials]: Our tennis trainer is made of strong, durable, high-quality high-density PE plastic, which can withstand intense tennis training.[Exquisite design]: The base of the tennis trainer adopts a lightweight structure and can be carried around when empty. The base capacity is about 1.2L, which can be filled with sand or water. There is a semicircular ball groove on the base of the tennis trainer gatekeeper, where tennis balls can be stored after tennis training.[Perfect Single Training]: Super easy to use, no need to catch the ball, no need for a ball machine or wall, you can easily train, which is very helpful for personal training. When the ball is hit, it always returns so that it can be hit again later. In this way, you can practice different shots with your tennis coach. Great equipment for practicing hitting, accelerating the swing or warming up.