Nurse discreetly and in style. The Bebe Au Lait Nursing Covers have been touted as a mommy must-have by mothers, celebrities, and medical professionals. Our patented, award winning nursing covers are sought by nursing moms worldwide. This comes in one size and is made up of 100% cotton. It can be used as a nursing cover, a blanket, or even as a sunshade to protect baby's fragile skin from harmful UV rays. This is machine washable.