Kirkland Signature Vacuum Sealing Bags – Costco Sale! by Rhonda March 14, 2023 12/8/21. © Frugal Hotspot *SALE UPDATE* 3/14/23. Costco has come out with their own Kirkland Signature Vacuum Sealing Bags and Rolls and it’s of course, offered at a great low… 0 FacebookTwitterPinterestEmail