Easy Clean Yerba Mate Bombilla for Gourd Drinking Straw with Cleaning Brush and Removable Filter Head by Yerba Supply 1 Stainless Steel 21 cm long Yerba Mate Bombilla Drinking Straw. Includes 1 Bombilla Cleaning Pipet Brush. Bombilla Filter screws off to make cleanup EASY! Our bombilla is designed to act as a pressurized extraction filter for your yerba mate tea. Crafted with high quality, tension tested, stainless steel. Includes a aesthetically pleasing bead in the middle of the handle that makes the straw easy to hold without burning yourself as you drink your Yerba Mate!