From Crochet Today!:

You’ll love stitching these speedy, easy and inexpensive bibs. A set in several colors makes a gorgeous gift. Put your imagination to work with this basic project: sprinkle polka dots wherever you like, weave ribbon through the stitches, or crochet in stripes.

Skill Level: Easy

Yarn: Pattern requires 1 ball each of Main Color and Contrast Color for bib, and 1 ball of each additional color for polka dots.

Additional supplies: One 3/4”/19 mm button; button thread or plain dental floss; sewing needle; tapestry needle; small safety pin

Other gauges:

One extra-large polka dot measures 1.75”/4.5 cm across using size G/4 (4 mm) crochet hook.

One large polka dot measures 1.5”/4 cm across using size G/4 (4 mm) crochet hook.

One medium polka dot measures 1.25”/3 cm across using size G/4 (4 mm) crochet hook.

One small polka dot measures 1”/2.5 cm across using size G/4 (4 mm) crochet hook.