Nattman bought a few SolStrips some months back, so if it says SolStrip it probably is. The others I have no idea, caveat emptor. He is not an authorized distributor for our products. Not sure of his business model, his SolStrips are priced $1 higher than we sell them at SolStrip.com, and his no-name strips are priced the same as SolStrips, just without the Q/A, warranty or rep.... '