This antique Double Safety canning fruit jar is a unique addition to any collection. Made in the United States, this jar features a clear color and comes in Pint size marked on the bottom KINLAN & ONTHANK BOSTON MASS. It also has the added feature of being UV reactive and comes with marbles for display. Ideal for collectors of modern (1900-now) jars, bottles, and insulators, this item is perfect for anyone who appreciates vintage items with a twist. Add it to your collection of collectibles or use it as a statement piece in your home decor. Jar and lid glow green under UV light. The marbles are all solid color game type glass marbles. Makes a great Vintage display/collectable for any home, mancave, or sheshed.