220 yards of crochet thread required divided thus: about 190 yards of white and about 30 yards of blue.

Pattern includes chain stitches, slip stitches, double crochet stitches and picots for a total of 27 rows.

Pattern 1 on page 4 in Magic Crochet. Photo on page 5.
Pattern 5, Juego de Color, in Ganchillo Artistico.
Pattern 5, Blue and white, in Crochet Monthly, #207.

Skill level = Easy To Make
Partially written pattern with a well-defined chart.