Fukuske Pajama Set [Colantotte Active] Plain, One-Point Top and Bottom Set, 10-Sleeve, 10-Length (Long Sleeve, Long Pants) Loungewear Pajamas Cardboard Fabric, Promotes Blood Circulation #Fukuske #Fukuske #Unisex #For Men and Women *This is not a general medical device. Material Composition: Triacetate 70%, Cotton 30% Machine Washable Top and Bottom Set / 10-Sleeve, 10-Length (Long Sleeve, Long Pants) Plain, One-Point Lightweight Cardboard Fabric Promotes Blood Circulation "Wear, Relax" Popular Colantotte Recommended for Autumn and Winter, this loungewear set uses energy stone fabric, which incorporates natural mineral stones, in the back of the top and the waist area of the pants. The energy stone effect helps maintain warmth and supports relaxation and comfort. I am selling this because I purchased the wrong size.