Coffee mug green mug stoneware mug pine tree mug night sky Etsy Green Trees 12 oz. Stoneware Mug + Reviews Crate & Barrel Canada Green Trees Stoneware Mug Pine Trees Stoneware Coffee Mug *final sale* Mugs, Stoneware, Sweet Coffee mug green mug stoneware mug pine tree mug night sky Etsy. Bring rustic charm to your holiday mugs assortment with our cream colored stoneware mug, featuring a simple green tree design by the handle. Perfect for holiday coffee, cocoa, or tea, this cozy coffee mug pairs effortlessly with holiday decorations and accessories for a festive, nature inspired touch customers can enjoy all season long.