1. Porous exhaust:Easy and comfortable:Upgraded exhaust hole design to reduce noise during use2. Comfortable without pressure marks:Suitable for patients wearing glasses.Ultra light and soft headband, making you almost imperceptible ofits existence, with smaller skin contact Multi level treatment providesou with freedom and comfort3. Flexible bend pipe:With an outer diameter of 22 mm, it is suitable for all CPAP machines.Ultra light and ultra soft bent pipes are , flexibleand not easily deformed Detachable and easy to clean.4. Design three size specifications for different groups of people:Available in , small, medium, and large pillow sizesColor: As shownMaterial: Silicone+PlasticPackage Contents:1 * Cpap Nasal Mask UniversalOnly 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.