Our Eye Masks are filled with 100% Flaxseed. The fabric is Batiste and is soft to the touch. I do not put Lavender Buds in the mask for health reasons. The buds do not hold up with being refrigerated or microwaved. Instead of the Buds I am including a bottle of Lavender Essential Oil. You can control how much Lavender scent you are comfortable with. When storing your eyemask in the refrigerator be sure to put it in a ziplock bag. If you want to heat your Eye Mask use the microwave. Start with a couple of minutes and see how it works for you, then adjust for your comfort.