3 Piece Toddler / Crib Bed Sheet 1 fitted sheet with elastic all around, 1 flat top sheet with bottom elastic corners and 1 standard size pillowcase. COTTON TODDLER CRIB SHEET SET- Each set is made of 100% Cotton. This high-quality material is breathable, fade resistant and naturally hypoallergenic. It creates a comforting and calming sleep environ..