Dorr Natural Wool Fabric. This in an off-white 100% wool flannel fabric. It has a 56-inch width.

Available as pre-felted, ready-to-use fat quarter, or meterage cut from the bolt (not felted).  

Fine weave, good for a #3 cut or larger.  Weight 10-11 ounces per yard.

Natural is often used for over-dyeing.

A meter equals 39.37 inches