Personalized Promoted to Big Sister Baby Bib. The "Promoted to Big Sister" apparel is available in various sizes to accommodate children of all ages, making it a versatile addition to any wardrobe. Celebrate the bond of siblings and the joy of family with this adorable collection, designed to make every big sister feel loved and cherished. 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"