- Set includes: 1 teapot, 2 teacups - Color: Green - Brand: HIGH TECH MOULD - Material: Ceramic This is "Longquan celadon" (Ryūsen Seiji), a traditional Chinese ceramic. Known for its beautiful blue-green color and delicate techniques, it has a history of over a thousand years. It is registered as a World Heritage site. I received this about two years ago, but I haven't used it and have kept it at home. Thank you for looking.