Learning Resources Super Strong Magnetic Clips hold folders, student portfolios, or large stacks of homework - up to 50 pages per clip! Use on whiteboards, file cabinets or any magnetic surface. Durable for long-lasting use. A versatile tool for keeping papers handy and organized! The Learning Resources Super Strong Magnetic Clips Set - 4 Piece Features: 4 strong magnetic clips in 4 great colors Size of 1" in diameter each