Says size 100 witch is 3T Great condition The Santa Face Christmas Blue 3T Holiday Cozycore Pajamas Matching Set is a festive and cozy unisex baby and toddler pajama set perfect for the holiday season. Made by the brand Holiday, the pajamas feature a Christmas theme with a blue color scheme and a cute Santa face design. This matching set is sure to keep your little one warm and stylish during the festive season.