1. 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. 2. Material and Dimensions - Material: Satin - Length: Approximately 40 cm/15.75 inches - Opening diameter: Approximately 5.5 cm/2.17 inches 3. Specification Description - The meaning of the Japanese koi flag - Carp have long been associated with fortitude and tenacity. The symbolism of carp representing 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 shown 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 fly these wind socks to celebrate the safety, health, and growth of the boys in their families. When seen from a train, the colorful koi flags across the countryside present a spectacular view. - “Colorful koi flags” are a recognized symbol for celebrating “Children's Day”. Many 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. 4. Package Contents - 1 set of Japanese koi flags (a set of 4) 5. Precautions - Due to manual measurement, there may be an error of 1 - 3 cm. Please confirm if you can accept this before placing an order. - Due to differences in monitors, the pictures may not precisely represent the actual color of the item. Please understand. Thank you.