_x000D_ Feature: 1. Lightweight and portable, a comparable size and weight to an ordinary tennis ball storage container, the tennis ball saver is easy to take anywhere. 2. When closing the lid, screw the bottle body to the pressure value of 14Psi and leave it for about 24 hours. The pressure of the tennis ball will be the same as that of the new ball. 3. A one of a kind tennis ball storage system that holds balls under equal internal and external pressures preventing air from seeping in and out of pores. 4. Makes the perfect tennis gift, for yourself or someone special, the tennis ball saver makes the perfect addition to any tennis lover's gym bag. 5. Quality construction, made of high quality fibrereinforced plastic material, wear resistant , sturdy and durable in use. Specification: Item Type: Tennis Ball Saver Material: Fibre-Reinforced Plastic Color:Red/Green/Black/Blue Size: Approx.7.3x20x8.5cm/2.9x7.9x3.3in Weight: Approx.400g/14.1oz Package List: 1 x Tennis Ball Saver 1 x Gasket 1 x Instruction Manual _x000D_