PREMIUM MATERIALS: The binder clamps are made of metal iron and their handles are processed by advanced nickel plating technology; the stationery paper clips are made of metal iron coated with plastic; these paper clip set are high smoothness, durability and rust resistance, which is much economical. EFFICIENT TO ORGANIZE: Assorted sizes and multi-colors paper clips are suitable for documents of different thickness, types and scenes, decorating your busy and tired life, making you more relaxed and interested in the working. SAY GOODBYE TO MESSY SPACE: The swallowtail clip, file paper clips and rubber bands set are separately stored in one transparent plastic box with compartments, which neatly saves office space and is clear to select when needed. UNLIMITED APPLICATION: Keep your documents, examination paper, flyer, refills, envelopes, posters and tickets well organized; also for sealed food, clothes design, furniture, photos hanging and as gifts on festivals; perfect for office, school and home daily use.