Face Frame- Not Slipping All Night & Superior Sealing PerformanceFrame design Convenient adjust right position on your face, and not deformed, not slipping all night long. The Nasal Pillow Tube Frame adopts upgraded silicone pad technology, with a thickness gradient design to enhance the tightness and sealing of the mask and reduce air leakage. Ensures a good seal to keep your mask from sliding during night.Fit & Adaptive Pleated Silicone Pad Design The silicone pad at the bridge of the nose adopts a wrinkled design, and the mask can automatically and flexibly adjust to fit the face according to different facial shapes, with a range of up to 15 , effectively alleviating the pressure on the high bridge of the nose and improving the user experience.Pneumatic Rebound Silicone Cushion Perfect Fit face Silicone Cushion for Great Using Experience All Night, The masks are all equipped with pneumatic rebound silicone pads, which have high air tightness with soft and traceless. They durable reduce facial pressure and discomfort, enhance facial fit, and make wearing durable and comfortable.Quiet Sleeping Comfortable Honeycomb array exhaust holesHoneycomb array design, porous exhaust, reduces airflow erosion intensity, gentle and quiet.Convenient and Fast Assembly of ConnectorsThe pipeline and mask are designed with a quick disassembly and assembly joint, which can be disassembled can be disassembled and assembled in 3 seconds, facilitating the connection and separation between the user and the ventilator.