It's not a sock and not a slipper, it is a cross between the two, making them a foot covering or footie!! Interior is made of white soft polyester fleece lining. Exterior is made of 70% Bamboo Rayon and 30% Cotton with overall print and includes a non-skid sole. (This way you won't slip on the hardwood or tile floors) Machine wash cold. Air Dry. No bleach.

Sizes run as follows: Small (5-6), Medium (7-8), Large (9-10) and X-Large (11-12).