This pillow pad, designed to regulate humidity during sleep and eliminate unpleasant odors like sweat and aging smells, uses silica gel type B in the filling to support a comfortable sleep environment. This set includes two pads for convenient washing and replacement. The filling is treated with anti-mite processing for dust mite protection. The silica gel sheet in the filling is covered with fluffy, soft polyester wadding, and on top of that, a "mille-feuille structure" is created by layering a 100% natural material jersey knit fabric (90% cotton & 10% silk) that feels good against the skin. Because 90% cotton is used, which absorbs sweat well due to its material properties, it combines with the effect of the silica gel in the filling to achieve "two-fold breathability." The surface fabric has a smooth, high-quality feel, providing a refreshing, cool sensation. It can be machine washed at home (using a laundry net). Specifications/Details [Contents] ・Main body x 2 [Materials] ・Surface fabric: 90% cotton, 10% silk ・Lining: 100% polyester ・Filling: 100% polyester (with silica gel type B) [Size] ・Approximately 50 x 70 cm