DOES NOT FIT TWIN BEDS, ONLY FITS TODDLER BEDS. Thomas the Train & Friends 4 Pc Toddler Bedding Set. One toddler comforter 42 x 58 inches (107 x 147 cm). One toddler bed sheet 45 x 70 inches (114 x 178 cm) and One toddler fitted sheet. Both of the above fit a standard crib/toddler mattress of 28 …