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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!