Tennis balls, what do you do with them when they've lost their bounce? No need to worry. You can recycle them.Tennis balls, what do you do with them when they've lost their bounce? No need to worry. You can recycle them. For recreational players, you know you can go through a lot of tennis balls. You give them to your coach, friends with dogs, but they are stacking up. Don't send them to the landfill, send them to rebounces.com. You can ship for free and now they will be recycled into tennis courts! If you love, the sport you know you are going through a can of balls per match. Now you can know your old yellow fuzzies are going to have a second life.