Thank you for viewing! This is a set of 5 inner masks. Please use them inside a non-woven mask. For those who: - Sweat inside their masks - Are bothered by the unique smell of non-woven masks - Want to prevent skin irritation inside their masks How about these? Replace them when they get dirty, and wash them after replacing. ☆Material☆ Made by layering double gauze for both the front and back. The double gauze is made in Japan. It has a gentle touch and is a sturdy fabric. ☆Size☆ Approximately 8cm x 12cm (Please see the photos) ☆Shipping☆ Shipped via regular mail. You can change to "Mercari Mail" for an additional 100 yen. Please feel free to ask! ♬★♬★♬★♬★♬★♬★♬★♬◆♬★♬ ※This inner mask does not completely prevent virus infection or intrusion. ※We try our best to make them carefully, but these are handmade products by amateurs, so please understand before purchasing. ※Gauze material is delicate, so we recommend hand washing or washing in a net. #handmade #wgauze #innermask #maskinner #patch #maskdrynessprevention #masksweatprevention #maskskinirritationprevention