The Avengers won't let the forces of evil win, and they certainly will protect any young Marvel fan when it comes to bedtime. This sheet set is part of the larger Avengers bedding collection here at Target. This twin sheet set included 1 fitted sheet, 1 flat sheet, and 1 pillowcase. Measures: Flat sheet - 96" x 66", fitted sheet - 75" x 39", pillowcase - 20" x 30". It fits up to a 10" mattress. Consists of 100% polyester. Machine wash cold and tumble dry low.