The Katakai Cotton Mask Outer Material is a cotton fabric made in Katakai Town, Ojiya City, Niigata Prefecture. The feature is that three types of warp threads of different thickness are regularly arranged. Widely woven from colorful patterns to modern patterns. 

 Washable mask [material] 
 100% cotton 
 Back 100% cotton 
 【size】 
 Vertical 140 mm Horizontal 210 mm 
 * There is some error in size about 10%. 
 URL https://ikebe-kimono.stores.jp/