Kirkland Signature Batteries
Costco’s Kirkland Signature Batteries are the perfect option for those who prefer to buy batteries in bulk. You can be guaranteed that you’re purchasing good quality, as Duracell manufactures long-lasting batteries for Costco. This was revealed when Craig Jelinek, Costco’s CEO, admitted this fact.
Kirkland Signature Aged Balsamic Vinegar
You can definitely taste the difference between good and poor-quality balsamic vinegar. However, sometimes the massive price doesn’t justify the taste of better-quality balsamic vinegar. That’s why Costco’s got you covered with its Kirkland Signature Aged Balsamic Vinegar that’s produced by Acetum.