Features:<br>1. Made of natural rubber for consistent feel and reduced shock.<br>2. The bounce height is about 130cm / 4.3 ft, these balls will have the same consistent bounce for the life of the ball.<br>3. Totally blank for autographing. The diameter is about 63 mm / 2.4 in.<br>4. Ideal for tennis ball matching and tennis practice.<br><br>Specifications:<br>Color: Yellow / Black/ Blue/ Red /Pink /Green (optional)<br>Material: Rubber<br>Item diameter: 63mm/2.4 in<br>Weight: 58g/ 2 oz (single one)       <br>             696g / 1.5 lbs (12 packs)<br>Package size: 21 *14*14 cm/ 8.3 * 5.5 *5.5 in<br>Package weight: 750g / 1.7 lbs<br><br>Packing List:<br>12 * Tennis ball<br>1* Storage bag<br><br>Notes:<br>1.Due to manual measurement, there is a 1-2mm error in the product size. Please specific to the actual.<br>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.