Shop from our wide selection of Fair Trade Certified black teas! Black teas are those which have been completely oxidized during manufacture, turning the leaves from green to black. Arbor Teas is proud to be an official licensee of TransFairUSA, offering one of the largest selections of Fair Trade Certified loose leaf teas on the internet! Like all of our products, our Fair Trade Certified black teas are packaged in our earth-friendly packaging, so you can breathe easy about the environmental impact of your purchase.