At the gong-fu cha tea making, tea drinkers always put it on the top of the fair cup/pitcher and then pour tea over the strainer into the fair cup. Because the tea strainer has supper fine screen, it can filter the powder from leaves. Dimensions: Filter: L: 7 cm x W: 7 cm x H: 4 cm Base: L: 8 cm x W: 4.5 cm x H: 4.9 cm