DescriptionThese Discbound Expansion Discs are made of high-class ABS material and are durable 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.