FloYoung 2016 Cotton Women's Cool and Dry Crew Sock (Pack of 2) 2% spandex About Delivery: If your choose the Standard service, it usually takes 1-2 weeks to arrive at you by E-packet; If you choose the Expetided service, it only takes 3-5 days to arrive at you by DHL/UPS. Material---85% cotton/13% polyester/2% spandex. Size---One size suitable for most of womens and girls. Package Included---2 Pairs of Socks(as the picture). Flexible and scalable, applicable to many occasions - Casual, Wear to Work, Home, Sports, etc. - Elastic and enhanced cuffs hold socks comfortably in place; they will not dig into your shins.