Personalized Birthday Mermaid Girls Party Toddler Full Zip Hooded Jacket. Birthday mermaid Toddler Full Zip Hooded Jacket - Black girls party photo idea with blue mermaid tail. 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.