Get your buzz on and indulge in all your packing, pegging and penetration fantasies with these easy-to-wear vibrating strap-on panties from Ouch! Offering an open-back design for a saucy added treat, these briefs are all about comfort and ease of use. Made from elastic compression material for a better fit and optimum comfort, these lightweight briefs draw away moisture from the body to keep you cool as things heat up. No need to worry about complicated straps and buckles – simply slip them on and add your toy of choice to the adaptable O-ring. To really get pulses racing for you and a partner, slide the rechargeable bullet vibrator into one of the strategically placed pockets. Please note: bullet vibrator is for external use only. Briefs: 84% Nylon, 16% Spandex/Elastane Measurements: Waistband: XS/S 27-36 inches M/L 29. 5-37. 5 inches XL/XXL 31-39 inches O-ring diameter: 2. 4 inches.