Amazon has the 12-Pack 16.9oz Propel Zero Calorie Fitness Sports Drinking Water with Electrolytes and Vitamins C&E (Kiwi Strawberry, Grape, Berry, Black Cherry, or 3 Flavor Variety) for $8.98. Change to quantity 3 (36-Pack total) to reach $27 - 5% off with Subscribe & Save (can cancel at any time) - $5 off at checkout = $21 with free shipping on $35+ or with Prime.