Seam tape is also known as hem tape and is mostly used for finishing edges and seams. It is a stable woven- edged tape 1/2″ or 1″ wide. This normally is used on medium to heavy weight fabrics where there is no stretch. If used on stretch fabrics it will pucker.
Seam tape comes in a range of colours so it can be closely matched to the garment colour. It can also be used as a ribbon, due to its bright a range of colours.