This 8-inch diskette sleeve is certified by 3M and is ideal for storing all your important data. The sleeve is suitable for use with 3M Mark Q models and is made of high-quality material to ensure the safety of your disks. The sleeve is perfect for use in any office or home setting and will keep your disks protected from dust and damage. It is compatible with various computer systems and can be used for both personal and professional use. Get your hands on this reliable and durable 3M diskette sleeve today!