Shake it off Don't be salty and shake it off, or not and wear the Salty Salt Dress Costume Designed for comfortable wear for party friendly fun. The costume includes dress. "Salty" is in glitter with a metallic bodice and a foam bottom. Fits women sizes 2-8. Easy wear care 100 Polyester. Hand wash inside out. Air dry. Freshen with steamer or cool iron.