Green Pots are made from rice hulls, a natural by-product of renewable and sustainable crops, contain no harmful chemical or petroleum ingredients and can even be composted. Plus they have a plastic-y finish that will keep moisture in the soil instead of evaporating. We love all the colors and sizes that these come in and the subtle grainy look of each one. Read more on their website. You can buy them at Kelly Green in Silverlake or check out their whole list of retailers.