Personalized That Was Pretty Cool 100 Days Of School Baby Bib. Whether it's a special event at school or a casual day out, our "That Was Pretty Cool 100 Days Of School" design is a must-have for your little one. It's a great way to commemorate this important milestone and create lasting memories. Get yours today and let your child shine on their 100th day of school! 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"