La Bien Aimée Confetti is a DK weight yarn which offers 230m / 250 yds for 100g. It can easily flex up to a Worsted weight, as it is full of pretty yarn bits that give it a slightly thick and thin aspect. The average needle size recommended to knit Confetti is 4.5mm (US7).
Composition:
50% 18.5mic fine merino, 30% Shetland, 20% LBA thread. 230m (250 yds) for 100g.