HIGH QUALITY: Made with durable metal plastic, this badminton trainer offers adjustable height and versatile elastic thread that can be cut and connected effortlessly. The elastic rod length is also adjustable for convenience. APPLICABLE: Whether indoors, outdoors, in the garden, or on the lawn, this versatile badminton trainer can be used anywhere. You no longer need to constantly pick up the shuttlecock from the ground, making solo training hassle-free. USAGE: Simply fill the base with water or sand, connect the three bases together using the provided accessories, attach the adapter, connect the string to the pole, and finally attach the other end to the special badminton. TELESCOPIC ROD: The telescopic elastic rod can extend up to 3.3m/10.8ft or shorten to 0.64m/25in, allowing for easy storage without occupying much space. ADVANTAGE: This stable badminton trainer is perfect for beginners. It is lightweight and easy to carry before filling it with water. Once filled, the base becomes stable yet movable.