Personalized Big Brother Shark Toddler T-Shirt. Big brother shark! Shark teeth have taken a bite or two out of the letters, but a big brother is tougher than the shark. Cute gift for any big bro! 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.