Pottery Barn Kids Baby Milo Crib Bed Skirt New in Original Package. Crib Size, 28 x 52" 100% Cotton, Machine Washable Rows of delicate embroidery make this skirt a sweet finishing touch to a child’s crib. DETAILS THAT MATTER Crib skirt is made of cotton with cotton canvas decking. Four-sided skirt fits around the entire crib and is tailored with split corners for easy placement around posts. KEY PRODUCT POINTS Machine wash. Imported.