T-Straw T-Straws on Tungum Tuesday!! What's a T-Straw? It's a reusable drinking straw made from Tungum tube. Why Tungum? Because of its inherent antimicrobial characteristics as well as being good for the environment. Using a T-Straw means less plastic/paper straws are used in this world while its antimicrobial characteristic keeps you safe from becoming ill. Click here to order yours today.