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