Betty Boop Pillowcase by Jfranco Size: Standard 20" x 26" - Color: Multi Betty Boop Pillowcase. Betty Boop is back in action with this pink pillowcase. Betty is surrounded by a bright magenta circle, followed by a red circle and many outer white circles. One Standard Pillowcase 20" x 30". Material Content: 60% Cotton / 40% Polyester Machine Washable