The Keolia Stainless Steel Yogurt Maker Set is a unique addition to the world of yogurt makers, offering a sustainable and eco-friendly approach to homemade yogurt. This product stands out with its stainless steel construction and glass jars, making it a plastic-free option for health-conscious consumers. While it doesn't rank at the very top in terms of sales, it has carved out a niche for those looking for a more environmentally friendly yogurt-making solution.