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. Petticoat is a separate garment which typically hangs from the waist. This 6 Ringed Hoop Skirt with outside Mesh and adjustable elastic Velcro waistband. One size fit all.