Review on Internal Transparent Comfortable Cleanable Breathing by Phil Kowal

The reason I bought this plastic mask frame was the seller's email. I asked if this item would work with a sheet face mask. The seller replied that this product is suitable for all types of masks, there is an adjustment strap next to it. Unfortunately this doesn't work with any of my mask variants. Whether pleated, fitted or disposable/washable 3D mask. The strap does not stick to the mask and falls off even before you put it on. I really wanted to like this thing, but the manufacturer needs to work on the belt.