Snugz Mask Liners, by WakeWellReviews of sleepsnugz.com

They felt comfortable but sounded like a wind tunnel. Tried several nights but couldn’t stand the sound. Please refund me.

It is not easy to get Snugz to stay in place as I use my finger to conform the mask on the inside of my N 20 mask.

I have a beard. I was hoping these would help the slight air leak, but they made it much worse

Good product, very helpful

I tried these liners for a few days. The air leakage was just too much. I tried adjusting it and it didn’t work. The company wouldn’t give me my money back or even a credit even though I only used one of the liners in the two pack. I think these liners are useless

I truly wanted to give it a 5, but I can’t. Right now, it hinders my breathing quite a bit. However, I’ve only used it a few nights so I am still getting used to it.

Not real impressed.

It slips off my mask type but I like idea