This is our classic poly blowpipe. It has a large internal bore to help with air flow. This blowpipe is are made of plastic and come with an imitation projecting mount. As well, it comes with the mouthpiece as pictured. You can choose the length of the mouthpiece for this item to ensure it fits you correctly. The blowpipes come pre-hemped, with a rubber blowpipe valve ready to play. These blowpipes will fit most any set of pipes.