Kirkland Signature K-Cup Organic Coffee Pods – Costco Sale! by Rhonda March 1, 2022 March 1, 2022 *UPDATE* 2/28/22. Costco K-Cups are designed for use with your Keurig K-Cup machine or other pod coffee maker. Costco offers a variety of caffeinated blends as well as one decaffeinated… 0 FacebookTwitterPinterestEmail