Personalized Happy 100th Days Of School Baby Bib. Our apparel featuring the Happy 100th Days Of School design is a great way to show off your school spirit and celebrate this important milestone. Whether you're a student, teacher, or parent, you'll love wearing this fun and festive design. It's a great conversation starter and a wonderful way to bring the whole school community together. 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"