100% Mulberry Silk exclusive of Lace Crafted from the softest silk fabrics and trims available to ensure fit, quality, and comfort Back coverage These Panties Have a Low Rise And Cover The Hips And Backside With Delicate Lace Trim 30 Degrees Light Machine Washable; Use Neutral Detergent Or Special Silk Detergent; Hang Tt On Hanger And Dry Place Away From Direct Sunlight