Natural Black Beautifully Bulky Carded Black Jacob wool is produced from Jacob Fleece 33/35 Micron. Perfect for 3D needle felting, wet felting and spinning. Contents: 100% Jacob Wool Micron: 33 - 35mic Compliance: British Wool, EN71-3:2019+A1:2021 Crafting: Spinning, Needle Felting, Wet Felting, Weaving Bundles: 1kg Care: Hand wash only May contain a very small amount of vegetable matter