Just be careful with the chemicals if that's important to you (I didn't open the link so I have no idea if they're the natural super expensive kind or not). For us, since we're mostly broke, we get the ikea sheepskins. The small ones are about $30, the large ones I'm not sure of. It's the wool that's most important to us. We do let them off-gas for awhile but even from the get-go I didn't notice any funky smells on ours. They just smelled like wool 
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