This Faber Castell box includes 7-inch machine eraser strips suitable for a range of art and craft projects. The erasers come in a variety of colors and are made with high-quality materials to ensure precision and accuracy in erasing. The brand has been a trusted name in art supplies for years, and these erasers are no exception to their reputation for excellence. Whether you're a professional artist or a beginner, this box of erasers is a must-have addition to your collection.