Socks are made of 21% wool, 17% polyamide, 17% viscose, 43% polyester, and 2% elastin for a super soft feel. Packaged in a polybag with a header card. Women's one size fits most, Women's US 4-9, euro 35-40. Design sentiment is knit into the sock on the side of the foot with a coordinating knit in the heart toward the upper part of the crew sock. Great for gifting to a loved one for a just because gift or a thank you present.When machine washing, choose a gentle cycle with mild detergent. Always wash with similar colors. Do not bleach. Do not iron. If tumble drying, select a low setting.