The life purpose of the Matcha Sifter Tin is to preserve the ?Mother of all green tea,? or matcha green tea. The container has a built in screen and a paddle to push the matcha through. All lumps will be removed from the jade beverage when it comes time for sipping from a ceremonial matcha bowl. Matcha Sifting Instructions: 1. Place one oz. of matcha powder on upper mesh component of Matcha Sifter Tin. 2. Press downward on matcha powder with the included paddle. Matcha will be strained through the mesh. 3. Remove the mesh and obtain matcha for use. 4. Sifted matcha powder may be stored in can for several days.. Spec's Material: Tin Size: 3.8"H, 3.1" Widest Diameter Volume: 3 fl. oz Colors available: Red, Black About Matcha Tea - Matcha is derived from shade grown tea leaves and stone ground into an ultra fine, green powder. The brilliant flavor of matcha is attributed to sweetness from naturally occurring sugars, savor from the amino acid L-theanine, and bitterness due to the antioxidant catechin. Health Benefits Naturally occurring antioxidants, polyphenols, EGCG, and L-theanine in matcha boost the immune system. (http://www.ncbi.nlm.nih.gov/pubmed/23072320) Naturally occurring antioxidants assist in reducing levels of triglycerides, cholesterol, and hepatic glucose content in diabetic individuals (http://www.ncbi.nlm.nih.gov/pubmed/14518774) Naturally occurring L-theanine enhances alpha brain-wave activity, developing a calmer and more alert mind-state.