Personalized Blast Off 1st Birthday Baby Bib. BLAST OFF IT'S MY 1ST BIRTHDAY Baby Bib - Heather with cute astronaut and stars. 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"