Fangrui Product Details Breathable Fabric For Ultimate Comfort: Crafted From Premium Mesh Fabric, These Cpap Nasal Mask Liners Offer Exceptional Breathability, Preventing Stuffiness For A Restful Night's Sleep. The Soft, Material Gently Conforms To Your Face, Significantly Reducing Pressure Points And Skin Irritation. Universal Compatibility For Nasal Masks: This 6-pack Of Nasal Liners Is Compatible With For N20 And Other Similar Nasal Masks, Ensuring A For Most Users. Note: These Liners Are Not Suitable For Full-face Masks Such As F20, F30, F30i, Or Nasal Masks Like P10, P20, . Design For Uninterrupted Sleep: The Nasal Mask Covers A Construction That Allows For Easy Movement During Sleep. This Design Minimizes Disruptions, Helping You Achieve A , More Restful Sleep Without The Mask Shifting Or Discomfort. Reduced Mask Leakage: Equipped With Advanced Sealing Technology, These Nasal Mask Cushions Significantly Reduce Air Leaks. This Ensures You Receive The Full Benefits Of Your Therapy, With An Improved Seal That Also Reduces Noise For A Quieter Sleeping Environment. Easy To Use And Maintain: Designed For Convenience, These Cpap Nasal Liners Are Incredibly Easy To Use And Maintain. The Washable Fabric Can Be Easily Cleaned By Hand Or In A Machine, Promoting Hygiene And Extending The Lifespan Of The Liners While Ensuring They Remain Fresh And Effective. Color: Blue Material: Chinlon Package Contents: 6pack Washable Cpap Cushion Covers Breathable Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.