Loud Lock Glass Joint Tube Bulk 500ct – ClearStand out from the competition by packaging pre rolled cones, joints, and blunts in clear glass tubes from Loud Lock. These transparent tubes have a sleek look and are super lightweight. The cap creates an airtight seal and is available in cork, white, and black options. This is a 500ct pack of glass tubes and caps. CLEAR GLASS These transparent tubes from Loud Lock have a sleek appearance with a slightly wider shape. Stand out from the crowd of basic