Pasteurized. Cold. Real California milk. Milk from cows not treated with growth hormones (No significant difference has been shown between milk derived from rBST-treated and non rBST-treated cows). Grade A. Homogenized. Nut Info: www.rosabrothers.com. I keep your cold milk colder, protect the environment, and ensure no strange flavor seep into your wholesome milk. So what am I? A glass bottle - and the Rosa Brothers fill me with only the freshest, most delicious local milk from Hanford, California. Please rinse and return me for a refill when you are finished. Learn about our local family farm at RosaBrothers.com. Rinse and return for deposit. Produced in Hanford, CA.