Are you looking for a professional, yet loose-leaf binder rings? Are you in search of a sturdy, trustworthy that can do multiple jobs? , ! This product professional loose-leaf binder rings must meet your needs. They are one of the for you. Features -Color:Silver -Material:Iron -Size:4.00X4.00X0.30cm/1.57X1.57X0.12in - These rings are lock in design, which make your books organized, not scattered after collapse, easy to operate. - These loose-leaf rings are suitable for binders, study or note cards, classroom, office, home and other occasions. - Enough quantity for home use and office use, this rings are also suit for children learning use. Fastening any size document stack and keys and . - Made of good material, keeping sturdy and , these rings can accompany you a long time. - These loose-leaf rings can be easily install in daily use. Will not hurt your hands or children's hands. Package list: 20 x Loose Leaf Rings