I do love these bowls.  The bottom has good grip on my counters and I love the color.  My only issue, they can stain if you aren't careful and, I swear I triple checked that they were microwave safe. (Butter always needs a little melting when baking so this was a must)  Unfortunately they say on the packaging that they are not safe for microwaves.  I am not sure why so I have used them on a low setting for short spurts but that was a big disappointment in a bowl that is not metal and I assume a hard, sturdy plastic.