material: made of metal, Cute Bone Shape metal paper clips, portable and very durable<P>Size: 30*12mm；<P>Multicolor, Can be used different color paper clip to marking files <P>Package Include:Pack of 100 paper clips,Keep your desktop or your desk drawer organized. <P>Suitable for office, school and daily use,also used for daily DIY, making bookmarks, photo albums, business card holders and envelope clips, etc.