Looks like very great item. I wore it for 10 minutes of so outside to check for fog and no, there were no fog inside the mask. It fits great and will make seeing the sea much better. It arrived on time as promised. A good fit and with all accessories. I have not used mask yet as purchased for holiday later in year. The waterproof phone case, camera holders are added bonus. Drawstring bag is very helpful to store everything in. Just do not forget to tighten it up before carrying from bottom, mine opened and almost broke the mask before even used it.
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