We no longer sell sleep masks. Please visit dreamessentials.com, who are an excellent source. If you need a specific mask recommendation, we're happy to help!
Sleep masks are designed to block light - and while doing that, they do a good job of blocking fans, too. However, many also tend to be absorptive, so they're not necessarily ideal for maximizing eye moisture overnight. It just depends on the situation and need. For many who are not able to wear moisture goggles, they may be a good compromise.