Description These Discbound Expansion Discs are made of high-class ABS material and are for long-lasting use. Binders are suitable for many purposes, such as loose-leaf, memo filing, etc. They are simple in design, but very practical to use and will give you a good experience. Features -Color:Black -Material:ABS -Size:2.80X2.80X0.60cm/1.10X1.10X0.24in -Discbound Expansion Discs are made of high-grade material, which can be used for a long time. -Simple in design, but they are practical to use, which will give you a good use experience. -Widely application, they are suitable for students, teachers, and other people who need them. -Fine workmanship and details, these binders are great for office, school or home use. -Discbound Expansion Discs are lightweight for easy and convenient to carry and store when not in use. Discbound Expansion Discs are made of high-grade material, which can be used for a long time. Simple in design, but they are practical to use, which will give you a good use experience. Widely application, they are suitable for students, teachers, and other people who need them. Fine workmanship and details, these binders are great for office, school or home use. Discbound Expansion Discs are lightweight for easy and convenient to carry and store when not in use.