FUN FACTORY B Balls Uno The FUN FACTORY B Balls Uno transforms everyday movement into a subtle internal rhythm. Instead of relying on a motor, its freely moving inner weight rolls and shifts as the body moves, creating a responsive sensation that changes with every step, tilt and change of pace. Its compact silhouette begins with a smooth tapered tip for a more gradual introduction before widening into a rounded body that creates gentle fullness. Measuring approximately 7.3 cm long with a maximum diameter of around 3.4 cm, it offers an approachable size for beginners and developing users. A broad, flattened base helps keep the plug securely positioned and provides a dependable point for controlled insertion and removal. Once comfortably in place, the weighted interior responds naturally to movement, producing anything from a soft rolling sensation to a more noticeable pulse as the pace builds. Made from smooth, body-friendly silicone, B Balls Uno is waterproof, non-vibrating and entirely battery-free. There are no settings to manage, cables to connect or controls to interrupt the moment—only quiet, movement-led sensation guided by your body. Compact, discreet and thoughtfully balanced, FUN FACTORY B Balls Uno is designed for solo exploration, partnered play and those curious about a different kind of wearable pressure. Use with a generous amount of high-quality water-based lubricant for a smoother introduction and more comfortable wear. FUN FACTORY B Balls Uno Features Compact weighted silicone anal plug Freely moving internal weight Creates rolling sensations through natural body movement Sensation becomes more noticeable as movement increases Rounded body for gentle internal fullness Smooth tapered tip for gradual insertion Broad flat base for secure anal-safe positioning Base provides controlled handling and removal Suitable for solo or partnered exploration Suitable for carefully considered wearable use Smooth, body-friendly silicone exterior Non-porous surface for straightforward care Suitable for bath or shower play Compact size suited to beginners and intermediate users Compatible with water-based lubricant FUN FACTORY B Balls Uno Specifications Sensation Type: Rolling, shifting and movement-responsive pressure Internal Feature: Freely moving weighted ball Movement Type: Body-powered internal movement Material: Body-friendly silicone with weighted internal components Surface Finish: Smooth, non-porous silicone Total Length: Approximately 2.87 inches / 7.3 cm Maximum Diameter: Approximately 1.34 inches / 3.4 cm Product Weight: Approximately 55 g — estimated Tip Shape: Smooth and tapered
