★ Used Hard Tennis Balls DUNLOP St. James 60 balls, equivalent to 15 cans ■ St. James is a long-lasting practice ball with excellent feel and durability. It is used in many tennis schools and clubs, making it a high-quality practice ball. They will be shipped loose in a cardboard box. ■ Air pressure is 70-80% of the original pressure upon opening. There are no balls with the logo peeled off, but some have slight fuzziness. These are suitable for ball machines, transitioning from kids' balls, and beginners. ■ They can also be used by attaching them to chair legs to prevent floor scratches and vibrations to lower floors in apartments, or by bundling them with tape and using them as acupressure tools. ■ Approximately 700 yen per can (4 balls).