Costco Clearance: Aladdin 3-Pack 20 Oz Insulated Mason Tumblers $11.97 by Rhonda November 15, 2020 *UPDATE* 9/23/14. The Covington, WA Costco has the Aladdin 3-Pack 20 oz Insulated Mason Tumblers on clearance for $11.97, while supplies last. That is $8.02 off Costco’s regular price of $19.99. This… 0 FacebookTwitterPinterestEmail
