Product Description: Designed to fit the face. Warm mask using Breath Thermo, a heat-generating material. Material: Outer fabric: Polyester, polyurethane Lining (outer): Polyester Lining (inner): Acrylic, synthetic fiber (Breath Thermo), nylon, polyurethane Color: Dark Blue Size: S Condition: New, unused. However, this item was purchased in a store. There may be initial scratches, stains, or sewing defects. Please understand this before purchasing. Retail Price: 1320 yen (tax included) Set of 3 I also have other mouth covers available. Please feel free to inquire if you have any size or color combination requests ^ ^ #TGpage mouth cover (Prices vary depending on color and size) #MIZUNO #Mizuno #Mouth cover #Kids #Mask #Sports mask #Warm #Baseball #Soccer #Blue #Navy This product does not prevent infection (entry). Please use it as a cough etiquette to reduce the spread of droplets when coughing or sneezing. This is just a mouth cover. A mouth cover is not equipped with a high-performance medical filter, so unlike a mask, it is a product that only suppresses the user's droplet diffusion.