This set of 2 vintage Japanese glass fishing float buoy balls has a diameter of 13cm and is perfect for adding a touch of maritime history to your fishing net. Made in Japan during the WWII era, these floats are a unique collectible item with a military branch connection to the US Navy. The brown glass floats bear markings such as "4 on brown" and "MN inside a circle" or "NW," adding to their historical significance and charm.