Trash. Don't buy this. Ether I didn't recieve all my product or the post is a bold face lie. I only got one in my order. It says 2 pc of 8x4x2 not 2 pc 8x4x1. I will tell you what is resolved but I have to wait 4 days to hear back from them. Oh and it took 3 days to process my order and ship.