A. Durability - This Japanese carp wind sock, also known as “koi flag”, can be used as a colorful decoration for both indoor and outdoor settings at home. It can also serve as a nautical flag for boats. - It is waterproof and durable, with a wire - edged opening for easy hanging. B. Material and Dimensions - Material: Satin - Length: Approximately 40 cm/15.75 inches - Opening diameter: Approximately 5.5 cm/2.17 inches C. Specification Description - The meaning of the Japanese koi flag - Carp have long been praised for their fortitude and tenacity. The idea that carp symbolize strength and perseverance can be traced back to a Chinese legend. In the legend, carp can swim upstream against the strong current of the Yellow River and eventually transform into dragons. In Japanese artworks, carp are often depicted swimming upstream against waterfalls or through turbulent rivers. - Throughout Japan, from one week before to one week after May 5th each year, many households hang koi flags in their gardens. May 5th is Japan's Boys' Day. People raise these wind socks to celebrate the safety, health, and growth of the boys in their families. When viewed from a train, the colorful koi flags across the countryside can create a spectacular sight. - “Colorful koi flags” are a well - known symbol for celebrating “Children's Day”. Some parents hang koi flags in the hope that their children will grow up healthily. “Koi” means carp, and “Nobori” refers to something like a flag. D. Package Contents - 1 set of Japanese koi flags (a set of 4) E. Precautions - Due to manual measurement, there may be an error of 1 - 3 cm. Please confirm that you can accept this before placing an order. - Due to differences in different monitors, the pictures may not accurately represent the actual color of the item. Please understand. Thank you.