Each check includes visible and invisible fluorescent fibers, heat-sensitive ink, holograms, and watermarks. And, if you’re an Executive Member, you’ll save an additional 20% on your order.Įven more, Costco’s High Security Business Checks have 25 security features-which is more than what other companies offer. While you can find lower prices elsewhere, the company's wide selection, commitment to security, and free delivery are big bonuses. Of course, as is usually the case with Costco, you’ll have to buy in bulk as the smallest order option is 200 checks. Through a partnership with Harland Clarke Check Printing, Costco Checks provides a nice selection of options.