Personalized 1st Birthday T-Rex Toddler Full Zip Hooded Jacket. A cute little T-Rex dinosaur wearing a birthday party hat has a balloon tied to its tail. Adorable first birthday gift for your one year old! 7.5 oz., 60/40 cotton/polyester. Jersey-lined double-needle hemmed hood. Pouch pockets for all their treasures. Coverstitched shoulders and armholes. Coverstitched rib waistband and cuffs.