The scoreboards makes you say goodbye to pen and paper while keeping scores. It's convenient, makes you keep the scores quickly and avoid to miss the excitement of the match. It can enhance the stimulation of the match, ignite the passion of people. Size: 20 cm x 23 cm(7.87 x 9.06 inch) Material: metal Compact, portable and easy to use. High quality. Ideal for table tennis and so on, just for any competitive sports. Folds flat and easy to storage and carry.