Description Loose-leaf Binder Discs are great for a variety of uses such as loose-leaf, memo filing and sample holders. These rings are two holes to fix in, not like other metal rings, without any strength they can be easily installed. These Binder Discs without burrs, which will not hurt your hands or children's hands. Features -Color:Purple, Blue, Orange, Yellow -Material:ABS -Size:3.50X3.50X0.40cm/1.38X1.38X0.16in -Sufficient quantity Binder Discs, and you can also share them with your family and friends. -High-grade material and fine craftsmanship, durable and sturdy for a long time. -These Loose-leaf blinder discs provide extra strong hold without slipping or releasing of your papers or items. -Binder Discs are great for artists, students, painters, office workers and other people in need. -Multifunctional, they are durable and practical because of their creative design. Package list: 20 x Binder Discs