Because it would cost three times as much due to shipping and handling. We want this to be super accessible and inexpensive so we built it around standard straws. A very good source for these 6mm straws are restaurant suppliers, food trucks and in Sweden a chain called TGR. We are going to make it possible to share good local 6mm drinking straw suppliers to the community on our coming website.
100 straws at CWS in the US costs about 1 $.