MUJI Striped Button-Down Shirt New, Unused Purchased October 2025 L The fabric is processed so that it can be worn without ironing, even though it's 100% cotton. The cotton is organic cotton. Care Instructions: ● Dark-colored products may transfer color due to friction during use or contact when wet. Wash separately from other items when washing. Care Instructions 2: ● Ironing may be necessary depending on the washing environment, but it will finish nicely with easy ironing. Washing Instructions: ● Do not use detergent containing fluorescent whitening agents on light-colored products. Washing Instructions 2: ● Do not iron the printed areas. Washing Instructions 3: ● Use a laundry net.