The Spanx Performance Power Panties Brief shapewear is a panty designed for women in size F (240-300 lbs). Made with 87% nylon and 13% Lycra, this solid color shapewear is designed to provide compression in the waist,abdomen, thighs & rear areas, offering a slimming effect. Hand wash only, this opaque shapewear is perfect for creating a comfortable and flattering silhouette under clothing. Made in the United States, this Spanx product is a stylish and practical addition to any woman's wardrobe. There is a sizing chart in the photos that you can use to decide if this is the right size for you. At the time of listing I have other sizes if you need them.