The Mask Liners Soft Mask Cushion Covers for CPAP Reusable Face Cushion Pads Elastic Mask Liners are essential for all CPAP (Continuous Positive Airway Pressure) users seeking to minimize air leaks and improve comfort during sleep. Made with soft, breathable fabric, these mask liners gently contour to the shape of your face, ensuring a snug and secure fit. The elastic bands ensure they stay in place, reducing the risk of slippage and minimizing the number of times you need to readjust the mask. These reusable mask liners are compatible with most full-face CPAP masks, so you can replace them only when needed, significantly reducing waste. With 4 high-quality, hypoallergenic, and washable mask liners in each pack, you'll have everything you need to maintain a comfortable and leak-free CPAP experience for an extended period. Say goodbye to uncomfortable masks and hello to a better night's sleep with these Mask Liners Soft Mask Cushion Covers for CPAP Reusable Face Cushion Pads Elastic Mask Liners Fits for Most Full Face CPAP Masks 4 Pcs.