Accessorize your formal dress with petticoat underskirt. Petticoats are a perfect complement to your prom, bridal, wedding, military ball, or any formal occasion. Petticoats help provide a skirt or dress a desired fashionable shape and provides warmth. Petticoats is a separate garment which typically hangs from the waist. This 3 Ringed Hoop Skirt with outside Mesh and adjustable elastic velcro waistband. One size fits all.