Smart, Adjustable Design: Custom-made for a perfect fit, these headgear straps are adjustable to suit various head sizes. They help prevent air leaks and remain secure without loosening easily, enhancing the effectiveness of your sleep apnea treatment. Superior Comfort: Made with high-quality, lightweight, stretchy, and skin-friendly fabric, these headgear straps offer lasting comfort. The soft material helps eliminate irritation, making them suitable for overnight use in any sleeping position. Perfect Replacement for F20: Specifically designed for compatibility with the F20 CPAP mask, these straps provide a snug and reliable fit throughout the night, serving as a practical replacement option for CPAP users. Premium Quality and Durability: The headgear straps are easy to clean—simply rinse under running water and air dry. They resist fraying, curling, shedding, delamination, and other forms of degradation to maintain long-lasting performance. Color: Gray + Blue Material: Polyester Package Contents: 2 x CPAP Headgear Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.