What I ordered and what I received were not the same product. For one, it's gray, not black like it was supposed to have been. And it certainly is NOT a 20 degree rating. And the mesh bag is several times too small. It does not fit the sleeping bag at all. The mesh bag literally fits in the palm of my hand, not the size for the sleeping bag. Don't waste your money. The item's description and pictures are not what is received. A clear example of bait and switch.
Good summer sleeping bag. Definitey NOT for 20 degrees F. You could use it as a liner inside another sleeping bag for winter use, though. BTW, we camp in the winter, too.