These oversized plastic clips with scales come in a colorful variety of black, red, blue, and gold, making it easy to differentiate uses. The large clips are easy to use for holding pages in place and feature a 15cm scale. They're useful not only for lessons but also for adding to musical scores, band scores, guitar tablature, and jotting down chords. Besides musical scores, they can also be used as stationery to hold thick paper like reference books without closing them, making it easier to concentrate on studying or reading. You can use them as a reading tool or as a ruler. In addition to holding paper as stationery, you can also use them in the kitchen for recipes or food storage. They can firmly and powerfully seal thick food bags like those for snacks, making them very convenient. This item is also recommended as a present or gift♪ Size: 5 x 15cm. The clip opening can open up to 2cm. Black, Red, Blue, Gold: 30g each. Material: Body - Plastic, Spring - Metal.