Tight seal Shipped quickly, creates a great seal without you inhaling the mask during vigorous exercise. Just be aware that a great seal means it might be a bit tougher to breathe when you're winded, but I'd rather that and be assured that the air I'm breathing is actually being filtered than have a mask that doesn't actually function as a mask.

Delivery was not really smooth Delivery was not really smooth, but it eventually did arrive. The masks are a little bit thin and have a little chemically smell, but for that price it’s okay I think.

I waited for them a long time and was… I waited for them a long time and was very disappointed when I received them.. they were paper thin and fit loosely. Material is not great.

I ordered about two weeks ago and… I ordered about two weeks ago and received parts of my shipment and still waiting on the rest. There’s no contact number for customer service they are very slow to respond. If you can get supply else where I recommend it. The product is legit but time and service awful.

Great customer support Great customer support! I had a problem with my order, which they responded to very fast. Due to the snow storm in Spain there was a small delay, but they sent me an extra free package of medical type IIR masks. If there’s an issue they‘ll take care of it. I had my doubts cause of past reviews on other sites, but they cleared those issues up her well 😃