Approximately 20 yards (60 feet) of the ribbon material for attaching backpack transmitters, left over from a research project.

Roll purchased from Bally Ribbon Mills, supplier for most of the telemetry uses, who have a minimum order of 25 yards. Their description: 0.25" Natural Tubular Teflon Tape. Original price of 25 yard roll with shipping was $220, will sell for $100. Shipping included in US.