Nothing is perfection, but this one beats the others. It seems well made. Most newer machines are. Works well ans will buy again when needed.

This chin strap stays in place and keeps my mouth closed. Takes some fiddling to fit it over thecpap mask system at first but it does fit well.

While it's unpleasant to have to wear its also a necessity for restful sleep. There is a little elasticity to the upper straps, but not too much and they are padded as well. Bottom has soft strap which is curved for the chin.

One without the other is a total waste of money and doesn’t solve the problem of mouth breathing for cpap users. This product is not as comfortable as the apnea headsets. To wear this over your headgear you now cause pressure to alter the headgear and...  Read More

The cup stretches, but the thread in the stitching does not stretch as much as the fabric. It is also the thinnest and cheapest fabric i have seen in a strap.

This is the dumbest thing i have ever put on in my life! However, the instructions are beyond pathetic and there are no videos on how to assemble it.