Bomba Un Mate is our chimarrao mate straw. Made of inox steel and with excellent filtration system you can now enjoy your Brazilian mates. Bomba is a Chimarrao Mate straw made of stainless steel. The length of the Bomba is 19 cm. The round filter has with a 30mm diameter for fitting perfectly in the Un Mate gourds and most cuias for Chimarrao. With a great filtration system you will be enjoying your chimas!