Feature: 1. Compatibility: Headgear strap covers are compatible for AirFit F20 nose cover frame, two pairs in total, please check your headgear model before buying. 2. Reduce Red Mark: Headgear strap covers reduce the marks left on the face by the headgear and help eliminate redness, indentation and irritation on the face. 3. High Wearing Comfort: Made of soft and comfortable fleece for increased softness and flexibility, which provides patients with additional wearing comfort 4. Machine Washable: The headgear strap cover can be easily removed and cleaned, and can be machine washed for hygienic and repetitive use. 5. Durable: Tight seams prevent the strap cover from unraveling after multiple machine washes and prevent fleece from falling off, making it a reliable accessory. Specification: Item Type: Headgear Strap CoversScope of Application: For AirFit F20 nose cover frame. Package List: 2 x Pairs of Headgear Strap Covers