Packaged in a custom-printed gift box with clear lid, this 3-pack crew sock set is a great gift for Slytherin fans with cold feet. It includes three different pairs of socks, each with a different color, and all featuring the Slytherin house crest. 98% polyester/2% spandex. Sock size 10-13. Machine wash cold with like colors. Do not bleach. Tumble dry with low heat.