The submerged end is flared, with small holes or slots that allow the brewed liquid in, but block the chunky matter that makes up much of the mixture. The spoon shape helps to scoop out the used mate when you are cleaning your cup. Our Drinking Straws are great if you want to drink mate on the go. They are portable enough to fit in your pocket of backpack, allowing more of a flexibility among the mate consumers. The straw is 6.1" and will fit most of the shorter gourds(or mugs) that you may be using. The filter does a good job and is fairly easy to clean. Mate Straw: 6.1" long, the base hole diameter is 1 mm. Perfect for drinking Yerba Mate loose leaf tea, the sieve hardly lets loose leaf teas into the stalk, so you can fully concentrate on the taste of the mate tea. Multipurpose Spoon Straws: Our stainless steel spoon straws are versatile and eco-friendly. Made from 304 food-grade stainless steel, they serve as both a straw and a stirring spoon. Perfect for filtration, they're ideal for cocktails Stainless Steel Filter Straws, perfect for drinking cocktails, so that the pieces stay in the glass and do not get into the mouth. Straws Cleaning Brush: Made of 304 food-grade stainless steel, no peculiar smell, reusable and durable Eco-Friendly design. Multipurpose: Suitable use at home, bar, cafe, hotel, restaurant, party, etc. Great gift for your family, friends.