These Planner Expansion Discs are made of plastic 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: White -Material:Plastic - Size: 2.80X2.80X0.60cm/1.10X1.10X0.24in -Sufficient quantity Binder Discs, and you can also share them with your family and friends. -Plastic material and good craftsmanship, 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. -Planner Discs are great for artists, painters, office workers and other people in need. -This binding ring is not easily damaged, looks very textured, and is lightweight, easy to carry anywhere, simple colors adorn your paper and documents. Package list: Binder Disc