Pink heart-patterned knit hat, free size, acrylic and polyester material. - Color: Pink系 (Pink-toned) - Design: Heart pattern - Material: 100% Acrylic (outer), 100% Polyester (lining) - Size: Free size (44-46cm) Thank you for viewing. The lining is fleece material, so it looks warm♪ I don't remember using it much, and it doesn't seem to have any noticeable stains, but this is based on my personal assessment, so please consider this if you are not concerned.