100% Polyester Imported ENERGY SAVING: These blackout curtains act as an insulating barrier NOISE REDUCTION: Portable blackout curtains can be used to reduce outside noise CUSTOMIZABLE FIT: Velcro tabs allow you to adjust the dimensions of these blackout curtains to fit various window sizes EASY TO CLEAN: Made from 100% polyester, these blackout curtains are machine washable in cold water. Line dry PORTABLE CONVENIENCE: Travel in comfort with the included travel bag. Attached suction cups allow for mounting these blackout shades on smooth glass surfaces