The 2.5-3" toppers are made wtih a beautiful European damask outer, not plain muslin many companies use, and filled with layers and layers of our own wool processed organically and certified by Oregon Tilth. Makes the bed feel like a featherbed. These are made right here in our own eco facility to keep them pure. We package them in food grade polyethylene for purity in shipping. Featuring a 1 year warranty.