Personalized Etched - Your Text or Logo - Quart Size Smooth Sided Mason Jar - Glass Bank with Coin Slot Lid - Piggy Bank - Savings Bank. Plastic Mason jar lids come in a variety of styles and offer a variety of solutions. Some are simply plastic coverings while other have straw. Jun 26, - Coin Slot Mason Jar Lids - DIY on creating Mason Jar Banks! Several Coin slot lids available at Fillmore Container. #masonjar.