SwaddleDesigns Muslin Bib, Butterflies and Posies (Set of 3 in Pastel Pink). SwaddleDesigns Muslin Bibs are soft, absorbent premium cotton muslin that quickly soaks up any spills, dribbles or drool. This cute essential helps babies stay clean and look stylish. 100% cotton muslin with snap closure, will fit neck sizes up to 13 inches (33 cm). Coordinates with a variety of our quality baby essentials. Set of 3. Machine wash gentle.