Personalized Robot 4th Birthday Toddler Full Zip Hooded Jacket. Robot 4th Birthday - A cute little robot wearing a birthday hat celebrates your little four year old's fourth birthday. 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.