Forever Angel Men's Pure Silk Knitted Muscle T Shirt Basic Tank Top 100% Mulberry Silk Silk Knitting, Stretchy, Hugs your chest and shoulders Cool Effects That Wicks Moisture Away Through The Fabric,Keeps You Cool And Dry 30 Degrees Light Machine Washable; Use Neutral Detergent Or Special Silk Detergent; Hang Tt On Hanger And Dry Place Away From Direct Sunlight Notice:Please Select The Size According To Our Size Chart in the Product Description Below