Give Save Spend Mason Jar Lid Topper Bank Coin Slots, 3 piece set Give save spend mason jar topper coin bank 3 piece set. these lids allow you to turn any size mason jars into coin banks to encourage giving, saving, and spending money. Makes a great gift for children. Works with any size mason jar. choose from regular mouth size and wide mouth size. Our lids are made from an eco-friendly man-made material with a prefinished surface.