The first of a new class of insert sleeves that feature not only incredibly stimulating textures, but also variance in canal diameter, the four spiraled chambers of the Vortex will bring you to dizzying pleasure. After over a year in development, this insert was designed to create a mesmerizing combination of suction, texture, and an unforgettable squeeze as you pass through each pleasure chamber. Already ranked as one of our most enjoyable inserts, whether you are an experienced customer or new to Fleshlight, the vortex will blow away your expectations. Canal Diameter: 1/4 inch - 3/4 inch Length: 10 inches Diameter: 4 inches to 2.5 inches