Cotteswold Dairy’s Free Range milk is one of the few certified pasture promise Free Range milks in the country. Certified pasture promise milk means that the cows are guaranteed to have a minimum of 180 day and nights per year to graze. Although 180 days is the guaranteed minimum, Cotteswold Free Range farmers have reported grazing their cows for over 200 days.. This naturally creamy whole milk is a great source of calcium for a balanced diet, delivered in a poly bottle that is fully recyclable.