Natural Relief - NEWGO weighted eye pillow is filled with flaxseed, clay beans and lavender, which can deliver deep, penetrating moist heat when heated, and promote blood circulation that provides perfect relief for eye strain, tension migraine, puffy eyes. DIRECTIONS Adjust the straps for a comfortable fit, place the mask over your eyes ensuring it blocks out light, heat in the microwave or cool in the freezer, and hand wash only.Use It with Confidence - Extra sealable PE bag is provided to store the ice pack, prolong the usage lifetime and isolate the fridge odor. If you have any question about the products, please feel free to come to us, we will take care of your issue with 1 day. Hot & Cold Therapy - Used for hot therapy: Place the heated eye mask in the center of a clean micromave, heat it for 15 seconds each side at 800 watts. Used for cold therapy: Put the eye pillow in the storage bag included and cooling it in freezer at least 2 hours. Helpful for Sleep: Natural lavender and flaxseeds fillings exude a charming fragrance, effectively soothe your nervous emotion and help you fall asleep with peace. Also ideal for people who sit at a desk daily, and yoga class, meditation lovers. Soft and Comfortable - The cloth cover is made of ultra-soft velvet, can be used directly on the eyes, even for sensitive users,double-layer design makes it easier and more convenient for you to clean. Natural Relief - NEWGO weighted eye pillow is filled with flaxseed, clay beans and lavender, which can deliver deep, penetrating moist heat when heated, and promote blood circulation that provides perfect relief for eye strain, tension migraine, puffy eyes.