$53.99 1/2 Gallon BPA FREE Reusable Plastic Drinking Water Bottle w/ Stainless Steel Cap - 64 oz 
1/2 Gallon (64 oz.) BPA FREE Plastic Water Bottle w/ 48mm Twist Cap - Walmart.com
Amazon.com : 1/2 Gallon or 1 Gallon BPA Free Reusable Plastic Drinking Wide Mouth Water Bottle 
