Description: 【Quality Material】: Crafted from quality polypropylene, these orbits for tennis pitching machine are waterproof and easy to clean, maintaining a polished appearance while offering long time wear resistance for extended use 【Easy to Install】: Ball tracks are designed for effortless installation with good quality construction, ensuring evenly spaced and securely arranged components that deliver reliable stability during play 【Baseball Machine Expansion Accessories】: Ideal as an accessory for both baseball and tennis, this expansion lane equipment enhances training or gameplay with its functional and adaptable design 【Dimensions】: Features compact dimensions of 15x26x9 cm, making it space efficient while still providing effective performance on the field or court 【Package Content】: Each order includes 4 pieces ball tracks, ready to use right out of the package for immediate setup and convenience Specification: Material: PP Size Chart: 15cmx26cmx9cm/5.91inchx10.24inchx3.54inch Package Includes: 4 Tennis Ball Launcher Ball Tracks Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.