These are CD paper display sleeves. They measure 5" x 4-7/8" with a 1-1/8" flap, or 127mm x 123.82mm with a 28.58mm flap. The sleeves have a plastic window for easy viewing of the disc. The flap is held closed by a slit in the back, perfect for easy opening and still protects the CD from dust! This white sleeve is great for marking on for easy organization. This is the perfect item for storing your CDs, DVDs, and Playstation Games in.