If you enjoy the feeling of ultimate relaxation, then an Eye Warmer is for you! Perfect for use at the end of a long, stressful day! Eye Warmers are great for dry, tired eyes as well as headaches. Warm them up to help you fall asleep when feeling restless. They can also be used for boo-boos. Approximate Size: 3.5” x 9” How to use???? FOR HOT: Microwave for 30 seconds increments. FOR COLD: Place in plastic bag, freeze. Heavenly Hot Packs are fantastic when heated up, or tossed in the freezer for some cooling effects. The hot packs are filled with jasmine rice, which retains heat for lengthy periods of time without causing any odor or allergens. The rice is great filler ensuring the hot pack can contour to your body and is not rough or stiff. The fabric choices chosen are flannel because of the softness and durability of the fabric. Cleaning Instructions: simply spot wash with a damp cloth or baby wipe. You cannot actually wash your hot pack as the rice will disintegrate. Rest assured, any germs that the hot pack does accumulate, die in the microwave because of the heat it produces.