• The package includes: 1 roll of black rubber, 25 mm wide, 5 m. • Comfort: black and white color, suitable for dark and light clothing. Does not curl, deform, or break easily. • Wide use: ideal for underwear, bras, bikinis, knee pads, cycling pants, ski clothing cuffs. • Flat wave design: easy to match, non-slip, comfortable, and soft. • High-quality elastic type: hand and machine washable elastic fiber, great elasticity.