(Corriedale Carded Wool is ideal for Needle Felting (both 2D and 3D), Wet Felting & Spinning. I say approximate as this is dependent on the thickness of the roving so it can be shorter or longer - hence why it is sold by weight).
Needle Felting Diamond White Corriedale/Merino. Felting Wool Rovings 45g
Needle Felting Corriedale Sliver Wool Batt Ideal for 3D, Choose Colour
Corriedale Top Needle Felting Wool Single Colours 40-100g
Corriedale Carded Wool Fibre Multicolour for Felting Huge Bundle
Merino Felting Wool. Needle Felting | Wet Felting ! Colour Packs of 6-min 36gms