Smart, Adjustable Design: These headgear straps are adjustable to suit any head size, ensuring a secure fit with no air leaks. Designed to remain strong and reliable without loosening, they help optimize therapy performance. Superior Comfort: Made from high-quality, stretchy, skin-friendly fabric, these headgear straps offer exceptional comfort. Their soft texture eliminates irritation, making them ideal for sleep and comfortable in any sleeping position. Perfect Replacement for F20: Specifically designed for compatibility with F20 masks, these straps provide a snug and consistent fit throughout the night, serving as a reliable replacement for original head straps. Premium Quality and Durability: The replacement headgear is easy to clean—simply wash under running water, rinse, and air dry. It resists fraying, curling, shedding, delamination, and other forms of degradation while maintaining long-lasting quality. Color: Gray + Blue Material: Polyester Package Contents: 2 x CPAP Headgear Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement may vary by up to 1-3 cm.