This set includes four letter openers in black, white, red, and green, each measuring 3.35×2.44×0.14 inches, easy to carry and store. With an ergonomic handle design, they are easy to grip and operate, ensuring a comfortable letter-opening experience. To use, simply glide the letter opener along the edge of the envelope, and it will easily open. The sharp stainless steel blade easily cuts through paper, tape, and more. Be careful when using it. These letter openers are not only for opening letters but also for opening mail, cutting paper, and opening packages, making them a practical choice for use in offices, homes, and schools. The unique shark fin design makes them a standout accent on your desk, adding personality and creativity.