1. Porous exhaust:Easy and comfortable:Upgraded exhaust hole design to reduce noise during use 2. 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 comfort 3. 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 sizes<br><br>Color: As shown Material: Silicone+Plastic<br><br>Package Contents: 1 * Cpap Nasal Mask Universal<br><br>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.