Does not fit twin beds; Made to fit toddler bed / crib mattress size 28 x 52 inches. Make bed time a magical adventure with the Disney frozen 2 Trust Your Journey 4 Piece Toddler Bedding Set featuring your favorite characters from Disney frozen 2. The Set includes a reversible pillow case flat top sheet and fitted bottom sheet in solid blue and a comforter depicting Anna Elsa Olaf in a wintry forest setting. All sheets are made with a comfy 100% polyester microfiber fabric. The top sheet measures 45 x 60 And the bottom fitted sheet measures 28 x 52 With 8 Slant edge corners. Elastic all the way around ensures a snug fit on your mattress. The 42 x 57 Comforter is perfect for snuggling!