For all Nasal Masks except::
SleepWeaver Nasal Mask: which is the only mask that is made of fabric so it doesn't have a solid frame that allows the mask to sink inside the gel liner.
One size Gel Liner fits all sizes of nasal masks.
These liners are 1/4" thick. They are the only Gel liners
that doesn't have any padding as it is not needed.
The Nasal Gel Liner is locked around the nose and doesn't move during sleep.