The image of the 32GB card clearly shows a 4, leading me to assume they are selling a class 4 Card, however, the detailed product description says absolutely nothing about the Class number. Smells fishy to me!.......so I bought elsewhere from a more transparent outfit. Cost me £10 more, but I've bought a fake card before, so where memory cards are concerned I now opt for the reassuringly expensive!
I checked with SanDisk to see if they do make a class 4 and got this reply: "I have read your inquiry. The new microSD product line are class 4, also in order to be sure that the product is genuine you can check the front side of the product, the serial number is located there, written very small. Most likely a magnifying glass will be needed to be able to see it."