Baby Yarn, approximately:

Dress: 2 1/2 (2 3/4) ounces, 70(80) grams, 440(480) yards
Gown: 5 (5 1/2) ounces, 140(160) grams, 875(965) yards
Size 8 Pearl Cotton (for edging), approx. 30 yards

Gauge: 2 repeats of shell pattern = 4”.