The product is a lot of 40 SanDisk 8 gig Micro SD cards, which are compatible with universal brands and models. The cards are formatted as MicroSDHC and have a speed class of Class 6. They feature high capacity storage, making them ideal for storing a large amount of data on cell phones, smartphones, or other devices that require memory cards. Each card has a storage capacity of 8 GB, providing ample space for storing photos, videos, and other files. These cards are untested and from various items. Seller is not responsible for any Data that may remain