Our muslin fabrics are organic GOTS certified. The water is colored with some dyes. Due to its fabric, muslin gets crinkle as it is washed. The muslin fabric should be washed at a maximum of 30 degrees. Poncho can be used to protect our kids from the sun & absorbs water immediately, dries quickly & it is very light. It is very comfortable to use by the beach, can be used after bathing at home. Handmade Materials: Pure Cotton, Muslin 4 Layers Vintage Rose & Hibiscus Poncho, 4 Layer Muslin Frill Details Organic Hooded Baby Towel, Cotton Beach Towel