The Vevor tennis ball hopper is designed to hold up to 150 tennis balls for efficient training sessions. Its lightweight aluminum alloy frame, durable nylon basket, and breathable mesh top help keep equipment organized and ready for use. Smooth 360° rubber swivel wheels, including two locking wheels, make it easy to move and secure on court. The foldable design and included storage bag make it convenient for transport and storage. It is also suitable for storing pickleballs, baseballs, and softballs.