Thank you for viewing. SHIPS Antiviral processed gauze masks, 2 blue and 2 white, for a set of 4. Please refrain from purchasing if you are concerned about storage at home. [Product Description] ◆ This mask is made by sandwiching two layers of double gauze woven towel fabric certified by the Imabari mark, and is treated with Etak (antiviral processing) to suppress the growth of viruses and bacteria. ◆ Etak (antiviral processing) lasts even after washing and drying, so it can be washed and used repeatedly. ◆ It comes with a stopper that allows you to adjust the length of the elastic, so it can be used by both men and women. (Spare stopper included) [Material] ◆ 100% cotton [Production Area] ◆ Japan (using Imabari certified towel fabric) Free shipping Instant purchase OK