Heat relief sheet for adults, 16 sheets, 1 box (16 sheets)

It fits snugly against your forehead, so it won't slip off even if you turn over in your sleep. The gel contains cooling particles, so the cooling effect gradually takes effect. Sheet size (mm): 50 x 130 Quantity: 1 box (16 pieces) Cooling time (approximate): about 8 hours Weak acidity