COSMO girl Twin 3-piece Poppy Orange Yellow Microfiber Sheet Set Cosmo Girl twin 3-piece sheet set in the softest microfiber Vibrant orange, yellow and green flowers floating on a crisp, white background. Each set comes with 1 flat sheet 66" x 96", 1 fitted sheet 39" x 75", 1 standard pillowcase 20" x 30" Machine wash cold water, tumble dry low, remove promptly when dry. Wash before using.