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 BIRTHDAY TO ME, 21 YEARS OF BEING AWESOME."
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 sister, brother, daughter, son, granddaughter, grandson, niece, nephew, girlfriend, boyfriend, female or male friend.