Personalized Cute Penguin, Baby Penguin, Penguin With Party Hat T-Shirt. Cute, fun and adorable design with penguin wearing party hat. Modern and trendy gift, perfect for the penguin lover in your life. 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.