10/50g 15 Colors Wool Felt Fibre DIY Needle Felting Materials for Wool Felting Needle Tools Soft Roving Felt Fabric for Hand Spinning DIY Craft. Widely Used: Thse wool roving can be used for needle felt or wet felt, such as felting animals, jewelry, wool dryer balls, wall hanging, weaving, core stuffing, dolls, or any craft.