For a fluorescent POP of lemon, this will be perfect.  Gorgeous soft merino 85% plus silk 15% will give you a lovely soft drape to the resulting fabric created from this yarn.
This is a 4ply fingering weight yarn.
Approx 25gms/100m per mini hank, but there maybe other sizes available in the product option section. 
Recommended needles 2.75mm - 3.25mm
Gentle machine wash with mild detergent and cool water.  Dry flat and in the shade.