1,Applicable Model: The replacement headgear straps are replacement for ResMed AirFit, for AirTouch N20, please check the model before ordering. 2,Prevent Strap Marks: These headgear straps help prevent the occurrence of strap marks and a plush feeling, ensuring comfortable usage. Regular replacement is recommended for optimal performance. 3,High Softness: These head straps are specifically designed to provide extra softness and stability, making them easily adaptable and comfortable to wear. 4,Double Layered and High Elasticity: The headgear straps feature a double layered design and high elasticity for added support and a better fit. 5,Breathable Material: The replacement headgear straps are made of breathable material that provides comfort and does not cause any allergic reactions when in contact with facial skin. Item Type: Replacement Headgear Straps Material: Sponge and polyester yarn Fitment: Fits for ResMed AirFit, for AirTouch N20 1 x Replacement Headgear Strap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store