Personalized Keep Calm Jingle On Toddler T-Shirt. Funny Christmas Toddler T-Shirt - Purple with with jingle bells says KEEP CALM AND JINGLE ON. Perfect for sleigh rides and Christmas celebrations. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.