EXTRA COMFORT: Headgear Strap Replacement for ALL masks Pillow CPAP Mask are made of ultra-soft premium elastic Nylon to provide an ergonomic grip around your for an uninterrupted full night sleep.Ultra-Comfort Headgears: -Made of premium elastic fabric to its comfort and softness. Fits comfortably to promote an uninterrupted, full night of sleep .Super Elasticity: -The super elastic fabric headgear is designed to fit snugly for your . The split back straps can be widened apart for a looser fit or narrowed together for a tighter fit, the gray side is worn facing out, with the blue side facing in, no rough feeling and comfortable to wear. to Use: -Our headgear straps are great soft and flexible pull-resistant, it is made of premium nylon to long time use, enough material provide extra durability, and with the clips, you can adjust the straps length easily according to your size.Easy to Care: -Our straps is easy to wash by using the mild soap, rinsed well, and allowed to dry weekly. Do not wash the headgear in a washing machine or dishwasher and headgear should be replaced every 3-6 months to the fit and seal is with each usColour:GrayMaterial:composite materialsPackage Contents:2x Mask Headgear Strap (Headgear Only)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.