JJ Cole 4-Piece Crib Bedding Set - Sky Orbit The JJ Cole Crib Bedding is the perfect 4-piece set for today's modern mommy. Includes a cozy reversible comforter and crib bumper with soft velour on one side and a stylish print on the other, fitted crib sheet and a color blocked crib skirt to fit all standard cribs. Comforter: 36 x 45 inches Reversible Bumper: Extra thick with stylish print on one side and soft velour on the other to keep baby comfortably secure. Fits all standard cribs. Fitted Crib Sheet: With elastic all around for a snug fit. Fits all standard 28 x 52 inch crib mattresses Dust Ruffle: Fits all standard cribs. Coordinating accessories sold separately include: musical mobile, wall decals, window valance and changing pad cover.