Personalized 2nd Birthday Monkey T-Shirt. Whether you're hosting a jungle-themed party or simply want a cute and unique outfit for the birthday girl, our monkey design apparel is sure to delight. 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.