Fun Factory Smartballs Duo 6.6" Weighted Kegel Balls, Napier

Strengthening your pelvic floor has never felt so effortless - or so pleasurable.

Smartballs Duo is a pelvic floor trainer designed to work with your body, not against it. Inside, two weighted ball moves gently with every step, activating your pelvic muscles naturally as you go about your day. No squeezing schedules, no complicated routines, just subtle stimulation that builds strength, control, and sensation over time.

Its ergonomic shape and tapered tip make insertion easy and comfortable, while the lightweight design ensures you can wear it discreetly during daily activities, light movement, or even playful moments. Crafted from smooth, body-safe silicone and fully waterproof, Smartballs Duo fits seamlessly into your routine - helping support stronger orgasms, improved muscle control, and greater body awareness. Built to last and backed by Fun Factorys renowned 25-year warranty, its a simple, effective way to invest in your pleasure.