They are good for their price- 2 for less than $10. I bought these and was able to use them with my Cricut to print a design on them. The vinyl adhered well and is staying on with daily use.
I think the mouse pads where a little overpriced but considering they sold at the same price as the single mouse pads I can't complain too much. Other than that they are made of a decent quality material and work well with my laser mouse.