Antique White Corded Pillow. The International Maritime Flag System has been in use for over 150 years by sailors and boaters to signal between ships and shore. The original flags could convey up to 17,000 different message. Providing an eco-friendly option in the marketplace, printed with water-based ink on 100% pure linen, and have luxurious down and feather filled cotton inserts. There is a strong YKK invisible zipper in the back of the pillow if the insert needs to be removed for cleaning. Recommended cleaning instructions for these indoor pillows are simply hand washing and line drying.