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 or display. The diameter is about 63 mm / 2.4 in.<br> 4. Ideal for tennis ball matching and tennis practice.<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> Packing List:<br> 12 * Tennis ball<br> 1* Storage bag<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.