The Natural Wick'em Natural Bra Liner For Sensitive Skin - 5549 Dye and latex free for sensitive and allergy-prone skin 70% rayon viscose, 30% cotton, with 100% cotton lining Country of origin: USA Care: Hand wash or machine wash in a lingerie bag. Use Warm water and wash with like colors. Do NOT use fabric softeners. Use only non-chlorine bleach. Dry flat or tumble dry on Low. Remove immediately.