Common Q&A： Differences from other pen!s rings? Our toys have side panels for easy removal and installation, so you can do whatever you want without hurting yourself. What’s the special design? In addition to the design of the side panels, our toys also have special designs. Our side panels are hollowed out, making the whole thing a combo lock ring that can provide more gameplay options for experienced players. very easy to clean? Of course, rinse with clean water and dry after use and it can be reused. Discreet Package? There is no product information on our toy packaging, and our products are designed with great care. Most people can't tell what kind of toy this is, so you can prepare it even when traveling at home.