Personalized Doulas Know Squat Baby Bib. Funny doula pun, birth humor, birth coach, birth team, birth companion, midwife, doula in training, delivery nurse, birth mom support Baby Bib - Orange says Doulas Know Squat. Great gift for your childbirth support team. 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"