Double-sided Zen's Tea House 11oz tea mug. Made of ironstone ceramic, this appealing mug features a glossy exterior/interior and a large C-handle. With an overall size of 3 1/8" diameter x 3 3/4" h, this mug reaches its 11 oz. capacity when filled to the rim. It is like a cup but bigger. Perfect for your Zen's Tea House teas.