Forever Angel Men's 100% Pure Silk Knitted Printed Boxer Briefs 100% Mulberry Silk Double-Layer Crotch Full Back Coverage 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