Personalized Monkey Lil Sister Toddler T-Shirt. Give your little one the gift of fun and style with Monkey Lil Sister apparel, where every outfit tells a story of joy and exploration. 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.