*UPDATE* 4/13/15. The Covington, WA Costco has the Tervis 4-Pack 16 oz Tumbler Set on clearance for $14.97, while supplies last. That is $25.02 off Costco’s regular price of $39.99. This was spotted at the Covington, WA Costco. This item may not be on clearance at all locations. Clearance prices may vary by location and may drop further without notice. This product is in select stores for a limited…
