Personalized Monkey 1st Birthday Toddler T-Shirt. Whether you're planning a big birthday party or just a small gathering with family and friends, our Monkey design outfit is the perfect choice for the occasion. The fun and playful design will add a touch of charm to the celebration, making it a memorable day for everyone. Your 1 year old will look absolutely precious in this outfit! 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.