Nununu Black Melting Mask Short Sleeve Bodysuit. We’re having a bit of a face-melt moment, and it shows with this highly rebellious take on the smiley face. it comes printed on this cozy black short sleeve baby onesie. it’s a classic shape that goes on with zero friction. snaps at the crotch make diaper changes a no-fuss situation, and shoulder flaps let you pull it down from the top—whatever’s easiest in the moment.