If you are looking to increase the volume of your Formal or Prom Dress, Prom Dress Shop has a variety of slips and petti coats in different styles and sizes. If you are looking to create ultimate fullness with your ballgown choose a 4 Bone Hoop slip or a Cinderella Slip. A 4 Bone Hoop slip is the largest amount of fullness that can be added to a Formal Gown. A Cinderella Slip is the largest full slip without boning. Size 90 Slips are second largest to the Cinderella slip and decrease in size as you move down to the 80 slip and then the 70 slip which is the smallest. A mermaid gown can be enhanced by the Mermaid slip which only adds fullness to the dress below the knee. Prom Dress Shop has the best selection of slips and petti coats to add volume to your Prom or Formal dress. Order your slip from Prom Dress Shop today!