Features: Tennis rackets are mainly made of aluminum alloy, with the introduction of concave air tube, protective ball line, and have the feature of high intensity and durability. Light in weight and large in surface, this tennis racket allow us to use it easily when we are playing. Specifications: Material: mainly aluminum alloy Color: mainly yellow and white Size of tennis rackets: about 27 inches Package includes: 4 x Tennis rackets 4 x Carry bags Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.