Acrylic,Cotton,Spandex Hand Wash Only 80% Cotton, 15% Acrylic, 5% Spandex. 5 Pairs - 5 colors, 1 pair for each color. Size -Men's US shoes size 10-13 and Women's 10-14, EU 43-48. High Quanity- The dress socks are comprised of fine combed cotton to create the perfect socks. These high-quality socks materials wash easily without pilling, tearing or getting out of shape. The decent thickness keeps your feet cool at all seasons, which makes these crew dress socks perfect for all year wear. Comfortable- mens colorful dress cotton casual sock are guaranteed to keep your feet fresh and dry. These lightweight cotton socks are super comfortable, extremely breathable ,good stretch ,not too thin nor thick. Colorful Funky Design -The colorful striped pattern funky dress socks go well with both business attire and casual outfits. Varity of designs will add a splash of fun and fashion under your casual or dressier outsuits. As they come in 5 different colors, you can match them with pretty much anything you have in your wardrobe. Start your day right with a different pair of socks each day. Gift Choice - Great socks often make great gifts, various colorful fashion funky dress socks are great for the office and casual environment as well as outdoor activities and party wears. Perfect for all seasons on father's day, mothers day, christmas, birthday, anniversary, holidays or casual day, best gifts for families, father, mother, husband, wife, son, daughter, friends . 90 Days NO-HASSLE Money Back Guarantee-To ensure you're completely satisfied with your purchase, we offer you a 90 Days NO-HASSLE Money Back Guarantee, so feel free to message us if you have any questions or any problems, we will provide you with a satisfactory response within 24 hours.