String. Or nothing. sets contain two colourways, each on a 100g skein.
Gollum has a silver base, and Smeagol an ivory base Both colours are speckled with various shades, including blue.
Talamh is a non superwash British wool blend of 40% Exmoor Blueface/20% Devon Closewool/20% Blue Faced Leicester/20% nylon. This is a sock/4ply/fingering weight yarn.
100g = approx 400m/437yds.