Manufactured with PP material, Discbound Expansion Discs are practical and durable for long-lasting use. Fine workmanship and beautiful appearance ensure the popularity and practicality. Bring a professional and functional look for the loose-leaf type book, notebook and calendar. Features -Color:Assorted Color -Material:PP -Size:2.40X2.40X0.20cm/0.94X0.94X0.08in -Sufficient quantity Binder Discs, and you can also share them with your family and friends. -PP material and fine craftsmanship, durable and sturdy for a long time. You can use it with confidence. -These Loose-leaf blinder discs provide extra strong hold without slipping or releasing of your papers or items. -Discbound Discs are great for artists, painters, office workers and other people who needs them. -Multifunctional, they are durable and practical because of their creative design. Packing list80 x Binding Rings