I have very dry eyes, and up till now I’ve used the heated eye treatments that you heat up in the microwave. That has not been a solution, since they never stayed hot for more than a couple of minutes. I discovered this kind of product and it sounded like a solution.Meh.The price was right, compared to some competitors. The product takes longer to get warm than I expected. And the operative word is “warm.” Barely warm. I needed these for my mebomian glands, which aren’t working as they should. I don’t have much faith that they’ll make a difference. I have to hold them, almost press them down, to feel the heat. I guess that’s okay, since I won’t be walking around with my eyes covered. They stay warm long enough. Way longer than the microwave kind. The ear loops are loose, which is one reason the heat is inadequate. On the plus side, though unintended, the warmth is helpful for the arthritis is my hands.Would I buy them again? No. I might try another brand, though.