Personalized Proud Firefighter Sister In Law Toddler T-Shirt. Thin Red LineToddler T-Shirt - Heather and Royal with black and red American flag with fire fighter emblem says Proud Fire Fighter Sister In Law. Show your pride in your courageous brother in law or sister in law. 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.