Place over eyes to aid rest and relaxation. Gentle weight around the eye area reduces tension and headaches. Helps reduce migraine and sinus headaches. Also reduces puffiness and eyestrain after computer use. Warm for headaches, chill for migraines. Use at room temperature for relaxation. Print on one side, brushed cotton twill on the other side (print received may vary from photo). Removable washable cover (no zippers - no Velcro). 4 1/2 " x 9" approx 8 ounces. Use warmed or chilled.