Carter's Baby Boys "My Grandma Knows Santa" 3-Piece Set - Size - (0-3 Months) Carter's Baby Boys "My Grandma Knows Santa" 3-Piece Set - Size - (0-3 Months) Long-sleeve tee features Santa emblem and embroidered letters ("Grandma Knows Santa"), Long-sleeve bodysuit with Santa pattern. Snaps on diaper area for easy dressing and changing. The pants feature a smiling Santa face emblem on the diaper area. 100% Soft Cotton. Machine Washable.