Personalized 2nd Birthday Monkey T-Shirt. Happy monkey holds a bright balloon with a 2 on it. B-day gift t-shirt for any two year old's birthday! Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.