Costco: Zulu 20 oz Glass Water Bottle 2-Pack $16.99 by Rhonda July 24, 2020 3/16/15. Costco has the Zulu 20 oz Glass Water Bottle 2-Pack priced at $16.99. While supplies last. Color selection may vary by location. For reviews on this product (it’s for the … 0 FacebookTwitterPinterestEmail