A lot of lower quality teapots use a metal strainer, which can affect your tea flavors negatively. This teapot features a 51-hole Duan-clay strainer.
The shape and material of this teapot let your green and dark oolongs perform best. For green oolongs, it reduces astringency and increases sweetness. For dark oolongs it draws out complexities of flavor, highlighting more layers and smoothing out the aftertaste.