Bias tape is an easy to finish garments.
They come in multiple colors.
They can be woven.
Woven bias tape can be single or double folded.
or elastic
Elastic bias tape is single folded.
HOW TO sew woven bias tape:
1. 1. Unfold one side and pin it to the garment.
2. Make sure right sides are facing. 
3. Sew
4. Unfold and press
5. Fold at the other side and pin.
6. Topstitch.
HOW TO sew knitted bias tape.
Follow the steps as explained above but keep in mind when pinning the first hald of the bias tape, to pin it slightly stretched.