Soft Tennis Practice Balls We will send you 12 balls that don't lose air! "I can't get the air in properly..." "It takes time because the pump doesn't go through..." Do you ever have those little stresses? Our balls are carefully maintained on a daily basis, so the pump goes through very smoothly ✨ Air goes in smoothly without extra force. From the day they arrive, you can use them comfortably ☺️ It's a small thing, but this "smoothness" is really nice ♪ Some have team names on them Some have court numbers written on them! Uses... Soft tennis