Whether you're taking your trainees to tennis practice or organizing a baseball team training, this all-in-one tennis ball hopper will save you both time and effort. The tennis ball basket is made of tough metal and hard-wearing, waterproof fabric. The extra-large capacity design can hold up to 200 balls, so you don't have to run back and forth to pick up the balls during training, and you can fill it up once for a whole game of instruction. Foldable tennis cart is easy to store, easily fits into the trunk of your car or the corner of a locker, takes up no space at all. The flexible wheels roll effortlessly over potholes, grass, and hard courts. Tennis balls and pickleballs can be stored.