Features: 1. Made of natural rubber for consistent feel and reduced shock. 2. The bounce height is about 130cm / 4.3 ft, these balls will have the same consistent bounce for the life of the ball. 3. Totally blank for autographing or display. The diameter is about 63 mm / 2.4 in. 4. Ideal for tennis ball matching and tennis practice. Specifications: Color: Yellow / Black/ Blue/ Red /Pink /Green (optional) Material: Rubber Item diameter: 63mm/2.4 in Weight: 58g/ 2 oz (single one) 696g / 1.5 lbs (12 packs) Package size: 21 *14*14 cm/ 8.3 * 5.5 *5.5 in Package weight: 750g / 1.7 lbs Packing List: 12 * Tennis ball 1* Storage bag Notes: 1.Due to manual measurement, there is a 1-2mm error in the product size. Please specific to the actual. 2.The balls from the produced factory are packed tight, so there will be smell after opening the package. After ventilation time, the smell will gradually disappear. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it