Fangrui Product Details Description This Item Is Manufactured With Premium Plastic For Durable And Long Lasting Use. It Is Great For Variety Of Uses Such As Loose-leaf, Memo Filing And Sample Holders. These Rings Are Two Holes To Fix In, Not Like Other Metal Rings, Without Any Strength They Can Be Easily Install. Will Not Hurt Your Hands Or Childrens Hands. Features - Color: Pink, Blue And Purple. - Material: Plastic. - Size: 3.50x3.50x0.30cm/1.38x1.38x0.12inch. - These Discbound Expansion Discs Are Made Of Plastic Material, Lightweight, And Not Easy To Break, The Surface Is Smooth To Ensure That The Page Does Not Get Stuck When Turning. - Plastic Binding Rings Can Be Easy And Convenient To To Add, Remove And Notebook Pages, Without Damaging The Paper. - At The Same Time, Bright Colors Can Attract Childrens Or Students Attention And Make Them Happy To Diy Their Own Projects. - You Will Get 30 Pieces Binding Discs In Bright Colors, Meet Your Multiple Needs And Help You Do Document Classification. - Great For Fasten<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store