Personalized First Birthday Dinosaur Party 1 Year Old Toddler Full Zip Hooded Jacket. Cute 1st birthday Toddler Full Zip Hooded Jacket - Black has dinosaur with balloon and I'm one party quote 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.