Description Standard basketball serve conversion and kit, you can write the team name directly on the card with a water-based pen, or you can print the team name and insert it in the middle of the card for repeated use, which is tough and firm. Features -Color: As Shown -Material: Acrylic -Size: 10.00X5.50X20.00cm/3.93X2.16X7.86in -The referee has the right to change the serve rights of both players when using this tool. -With the special design, it is generally used when players are competing for the ball. -Small and light, it is easy to store when not in use, which does not take up much space. -With this tool, the basketball referee can control the process of the competition easily. -Fine details and delicate workmanship, this product is a necessity for the basketball game. The referee has the right to change the serve rights of both players when using this tool. With the special design, it is generally used when players are competing for the ball. Small and light, it is easy to store when not in use, which does not take up much space. With this tool, the basketball referee can control the process of the competition easily. Fine details and delicate workmanship, this product is a necessity for the basketball game.