Bedtime Originals Butterfly Meadow Pink/Purple Baby Fitted Crib Sheet (Pink). This beautiful pink ground fitted sheet has butterflies in dark pink, blue and periwinkle. Fits a 28″ x 52″ crib mattress and is made of a cotton/polyester blend. Main Color(s): Pink, Purple. Theme(s): Butterfly. Animal(s): Butterfly. While we aim to supply accurate product information, it is sourced by manufacturers, suppliers and marketplace sellers, and has not been provided by Overstock.