Personalized 1st birthday owl T-Shirt. The charming owl cartoon design is a popular choice for children's birthdays, and our collection features a range of cute and funny options that are sure to be a hit with kids and parents alike. Whether you're looking for a unique birthday gift or something special for your own baby's first birthday, our 1st Birthday Owl Design Apparel and Gifts has something for everyone. Celebrate this milestone with our adorable and high-quality products that are designed to make the day even more memorable. 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.