AAA grade quality. 700mb/80min 52x CD-R Smartbuy White inkjet hub printable disc. Can use marker write on the top surface of disc. Can label the disc. Excellent compatibility with most CD-R/CD-RW drives. Can be played back on most CD/DVD-ROM and players. This write-once disc helps preserve digital data before they got deleted accidentally. Top quality and durable disc, good for long-term data archiving. No stacking Ring (no groove) design extends printable area into hub. Ideal for full-surface, edge-to-edge photo & text printing on disc top using CD/DVD inkjet printers. Excellent ink absorption and durability, provides long lasting vibrant colors. Relatively low cost per megabyte. Quantity available: 100/200/300/400/600/1000/1200/1800/3000/6000 Pcs. Total. Packing: Shrink Wrapped/Bulk Smartbuy Features: High Speed Recording -- Smartbuy Phthalocyanine dye provides reliable and stable high-speed recording. High compatibility -- Smartbuy CD-R can be recorded on most computer CD writers and can be played back on most CD/DVD-ROM and players. High Durability -- The advanced Phthalocyanine dye guarantees Smartbuy CD-R's high durability. Precautions: 1. Avoid fingerprints, dust and other soiling on the disc. The disc can be cleaned with a soft, lint-free cloth. Don't use any solvents or protective liquid. 2. Do not hit the edge of the disc. 3. Protect the disc from excessive heat, moisture and direct sunlight. 4. Please use soft felt-tip pens to label the disc.