The Right Plug Plus is the best step-up to intermediate rectal play. The graceful silicone surface comes with an irresistible velvety feel while a Tantus Original Bullet adds 3 speeds of vibration for additional intense stimulation. The Right Plug Plus includes a lengthy, flexible neck bends to natural curves and stays put for comfortable extended play, as the anchor base tapers for any perfect fit between your cheekbones. The Right Plug Plus has 4 inches of insertable length with extra girth within the shaft along with a 1.2 " diameter bulb. Not harness compatible. Safe for you: Produced from Tantus own unique formula of 100% ultra premium Silicone. Simple to clean Eco-friendly, hypo-allergenic, hygienic, boilable, bleachable and is it dishwasher safe. Color: Crimson. Please take away the bullet vibrator just before cleaning. Battery powered. Batteries incorporated. Batteries use the vibrator using the part number side to the peak. These little batteries are extremely common. Tantus recommends Duracell Batteries 357 or 303 as substitute batteries