Personalized Lil Sis Unicorn Girls Sister Baby Bib. Lil Sis Baby Bib - Red and White has adorable little girl unicorn and hearts for a new sister, a great gift idea for baby. 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"