FINE DESIGN: It can provide stable support for training due to the base has a for putting sand or water into it to increase the weight, and the small ring on the side for hanging band, the concave part for placing tennis ball, convenient and practical to use.EASY TO USE: Easy to use and convenient for training without picking ball, and it is lightweight and portable, helpful for single person practice. Also it could improve your concentration, athletic ability and hand and eye coordination, and develop interests of sports.PERFECT GIFT: Great gift for your friends, family members and children who love playing tennis and it can help to improve your stroke action, footwork and hitting control, skills of tennis.Suitable for many places like garden, park, etcITEM PACKAGE: 1 x trainer base, 1 x training ball, 1 x connecting line.