The WINYI Mark is an anal training kit designed to help you gradually adjust to different sizes through a set of three plugs in small, medium, and large dimensions. These accessories are crafted from hypoallergenic TPE and ABS, ensuring a gentle feel against the skin while maintaining a sturdy structure. To add a layer of stimulation, the set includes a wireless remote that lets you cycle through 7 vibration modes. The IPX6 waterproof rating means the devices are easy to clean and can be used in the shower, while the USB charging interface provides a convenient way to power the system. Weighing just 101 g, the ergonomic black design is discreet and comfortable for those looking to explore anal play at their own pace.