The 3rd Generation T818C Key Features:• A compact metal base as an anchor connected with an elastic rope, allowing the ball to bounce back for your next shot.• Container with handle so easy to store, carry and use - just simply put metal base on the open ground then hit.• Durable and anti-skid metal base suitable for your powerful strokes.• No more water or sand filling. Hassle-free and clean.• Container storage giving you more convenience and freedom to bring and use anytime anywhere you want to practice.• Perfect solo training tool for both beginners and professionals.• Hassle-free to practice your strokes without access to tennis court.• Cost saving from buying a tennis ball machine.• With our high quality and newest generation of Portable Solo Tennis Trainer, tennis training expenses reduced, hitting partner not required and training environment less restricted.“TELOON” Portable Solo Tennis Trainer Package includes: metal base+elastic rope+tennis ball+container with handle