Cloth-eez Workhorse Size Chart
Newborn, orange edges fits birth to 11 or 12 pounds.
Small, yellow edges fits 9 to 14 pounds.
Medium, red edges fits 14 to perhaps 24 pounds.
Large, brown edges fit 21 to 30 pounds (or starting at around 17 pounds for rounder, fuller-shaped or long babies).
XLarge, green edges, 26-38 pounds, or age 2-3
Size skipping is possible.
Consider baby's shape. Rounded bottoms use up more rise and size up much sooner than flat shaped bottoms. Chunky babies should size up.