BIRTHDAY GIFTS: These socks feature birthday gifts, hats, cakes, balloons, and other elements on the top, while the bottom features a hilarious secret message written in non-slip ink: "Happy 21st Birthday."
SIZE: Our unisex birthday socks fit most men's US size 6-13 feet and most women's US size 7 and up. Each exclusive gift box contains one pair of 21st birthday socks.
QUALITY MATERIAL: Experience the soft touch of funny socks made from 80% cotton, enhanced with 15% nylon for durability and 5% spandex for the perfect stretch.
21ST BIRTHDAY GIFT IDEAS: They make great gifts for your son, daughter, brother, sister, friend, colleague, boyfriend, girlfriend, husband, wife.
BEST BIRTHDAY SOCKS: Delight someone special on their birthday with the perfect gift.