2.5 oz., 250 yards, 2-ply, 1,600 yards per pound

This is the listing for the fingering weight version of Royal Platinum Alpaca.

For other weights, see below:
Lace (1.5 oz.)
Fingering (2.5 oz.)
Sport (3 oz.)
DK (3.5 oz)
Bulky (5 oz.)