Rod Star®, flexible, waterproof, variable speed motor, soft, durable and offering years of happiness and smooth running. Phthalate free, latex free and odorless, thus skin-friendly. Make sure you have an authentic Rod Star® product; for quality, reliability, security, comfort and your total satisfaction. It has a total length of 6.5" (16.5cm), a diameter of 1.6?? (4 cm) and a satin bag for storage. A very nice style, delicate, with balls and ready to make you vibrate! Works with 2 AA batteries not included.