Whispering when you use it no matter alone or with others at dark night. Super quiet makes you completely immersed in sex pleasure. One piece of waterproof design, smooth surface easy to clean. Meet the wildest eros no matter in bathtub, swimming pool or any other places. High quality skin-friendly medical silicone, such high simulation just like human skin, no smell non-toxic, durable not easy to crack with full flexibility. Humanized handle, progressive pull beads design. Easy to use and comfortable with smooth radian head, insert from small to large wave of excitement, add extra sex pleasure. Imitation of physiological principles, to stimulate the anus muscle and exercise anal muscle contraction when you enjoy the sex pleasure. Elastic for swing freely. The elastic structure swings to any angle, meet a variety of sex positions.