Keep him smiling all day with this adorable assortment of baby boys' Sleep N' Plays! Each piece in this 4-pack features unique artwork that follows a themed design. They're made with 100% cotton jersey for comfortable, all day wear. Diaper changes and dressing are simpler with the front zipper opening. His delicate skin stays free from zipper scratches with the soft fabric zipper neck tab. Laundry day sails by quickly with the machine wash and dry cleaning instructions.