Personalized Faux Rhinestone 21st Birthday Baby Bib. 21st birthday Baby Bib - White and Royal with a shimmering, glittering, sparkling, silver, FAUX rhinestone number 21. Perfect for her 21st birthday! Our Baby Bib is rated high in convenience and durability and with a variety of fashionable colors, your baby can be trendy. Mix and match to any outfit. 100% cotton ring spun combed heather colors are cotton-poly. Width 7.75", Length 11.75"