DOES NOT FIT TWIN BEDS, Fits a standard size toddler/crib mattress 28" x 52". Worthy of a Disney Princess: the Disney Frozen 4 Piece Toddler Bed Set - Multicolor (Toddler). All the most favorite characters from Disney Frozen are included on the colorful print; set includes a pillowcase, fitted sheet, flat sheet and cozy comforter, all sized for that first big-kid bed. The toddler bed set is a must-have for any little kid who dreams of fairy tales and loves themed bedding.