It's a teacup made of high-grade Dehua Kaolin Clays, covered with transparent glaze, and burned at a temperature of up to 1380 degrees. The quality of the porcelain clay determines that the cup is more oily and transparent, and even a warm yellow color in the light. Each teacup has different patterns, including swallows, kites, scent bags, branches, and leaves. The same shape is engraved with grooves on the sole foot of the teacup, which looks exquisite everywhere. Four different cups make you can well identify your cups when sharing with friends, and family, without confusion. Size D 5.5cm H 4.7cm V 55ml