The wall-mounted retractable belt cassette is specifically designed for indoor use and enables efficient and quick cordoning off of EPA areas. The belt is 4.6 meters long and features a striking black and yellow hatch pattern that contributes to clear marking. The package also includes a practical wall clip that facilitates mounting and ensures stable attachment. This barrier system is ideal for quickly and easily delineating areas and can be easily adjusted to meet individual needs. The wall-mounted retractable belt cassette is an effective solution for room division and security control in various environments.