Ride the rapids down the Mystical Waterfall attachment for The Unicorn and The Cowgirl Premium Sex Machines. Rock on the full-contact cascade with an external rumbling sensation sure to quake the prostate and perianal area or vulva and clitoris for a white-water explosion. Textured for pure pleasure humping and grinding, this ride gives full contact stimulation for all bodies. Cascading Texture Bump Smooth Contours for Full-Contact of Perianal Zones Compatible with The Unicorn or The Cowgirl machines Sparkle Design SIZE & MATERIAL Attachment Size: W 9.5 in x L 3.9 in (W 24.2 cm x L 10 cm) Small Bump Height: 1.2 inches (3 cm) Large Bump Height: 1.75 in. (4.44 cm) Material: Body-Safe Silicone