I like this mouthguard a lot. Despite some issues getting it (I had to make impressions three times) and the last two being mailed within a month of each other, I am happy to find this alternative to having a mouthguard made at the dentist. The transparency is an issue. I tend to pull mine out at night or early in the morning, and if it were a color that would make it much easier to find in the sheets. Also, it gets less clear, and even yellow, after many uses. I've cleaned it with baking soda ...