Elastic band total length is 40 Yards, this kit includes 10 sizes of elastic bands: 0.8 Inch, 0.9 Inch, 1 Inch, 1.2 Inch, 1.4 Inch, 1.6 Inch, 1.8 Inch, 2 Inch, 2.2 Inch, 2.4 Inch. Main material is polyester. Can be cut whatever length you want.