Sankei Phoenix Stretch-Stop Tape - Set of 2 〇S300 12° Half Bias Tape Width: 12mm Length: 50m Color: Black Manufacturer: Sankei Material: 65% Polyester 35% Cotton 〇STM 12° Half Bias Tape Width: 15mm Length: 50m Color: Black Manufacturer: Sankei Material: 100% Polyester Description: This is half bias tape cut at a 12° angle from the base fabric. Some of the backing cards and the tape holding the cards may be deteriorated. Please be aware of this. As a bonus, I will include a partially used 12mm black tape. Please refer to the last two photos. (It feels like about half of it is left, just as a rough estimate.)