This is a nice rug pad for the price. One side is rubber/latex, the other is standard carpet padding (probably about 1/2" thick). The only con so far is that it came folded into a square so it did not lay completely flat initially initially.
The picture is deceiving. It looks like it has a black border. Turned out that it is just liked the other rubber/latex padding. However, it states that it is breathable and that's why I purchased this. It definitely does help the rug stay in place and that's what is important.
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