WOMEN'S PEACE LOVE & SOX NO SHOW INVISIBLE SOCKS - 3PK, 5PK, 8PK 10% polyester Anti Slip with custom Peace love & Sox Silicone on heel to prevent slipping of socks. High Quality made with premium cotton from Korea Designed in the US for best look and feel - "no socks" look Contents: 86% cotton, 10% polyester, 4% spandex. SIZE RECOMMENDATION - WOMENS [5 ~9in, 127mm ~228.6mm]