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.