Looking to add some naughtiness to your love life? Make it a night to remember with our Naughty IOU invitation panty -- the perfect way to initiate your next sexual encounter. Simply slip on these sexy panties and tie one or more IOU's to the front bow. Ask your lover to open a Naughty IOU to reveal another wild surprise! Panty is made of anti-static, breathable satin with flirty self-tie satin ribbon sides and a front satin bow detail. Packaged in an adorable heart-shaped box.