Personalized Sweet 16 Car Heart Toddler T-Shirt. Sweet 16th birthday Toddler T-Shirt - Heather and Royal with pink text that says SWEET SIXTEEN, pink hearts and cute pink convertible car with a white heart on the trunk. 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.