Personalized Pregnancy Announcement I Am Going to be a Big Sister Baby Bib. Embrace the sweetness of family growth with a touch of humor, and let everyone know that sprinkles are essential, especially when welcoming a new baby. Make your announcement memorable with this charming and fun apparel. 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"