Personalized Monkey Big Sister Toddler T-Shirt. Big sister Toddler T-Shirt - Heather and Royal with adorable little girl monkey ballerina in a pink tutu and ballet slippers holding a bouquet of flowers says I'M THE BIG SISTER. 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.