The Nbm Profi Thin File 100/180 nail file is made of paper material and has a straight shape, making it ideal for shaping natural nails and fixing any imperfections on acrylic or gel nails. It features two sides with different grit levels, 100 and 180, giving you the ability to choose the right surface depending on your needs. This thin file is also excellent for the pedicure process, helping with detailed work and creating a flawless finish on every nail.