Smart, Adjustable Design: These adjustable straps provide a secure and customized fit for any head size, helping to prevent air leaks and maintain a reliable hold without loosening during use. Designed to enhance your therapy experience. Superior Comfort: Made from high-quality, stretchy, and skin-friendly fabric, these straps offer a soft and comfortable feel. Their smooth texture helps eliminate irritation, making them ideal for sleep and suitable for various sleeping positions. Perfect Replacement for F20: Specifically designed for compatibility with the F20 model, these straps deliver a snug and stable fit throughout the night. A reliable replacement option for F20 head straps. Premium Quality and Durability: The head straps are easy to clean—simply rinse under running water and air dry. They resist fraying, curling, shedding, delamination, and other forms of degradation, maintaining their integrity over time. Color: Gray + Blue Material: Polyester Package Contents: 2 x CPAP Head Straps Note: The package includes only the items listed. Light reflection and screen differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.