A complement to the intensity of its vibrations, the truly thrilling feature of this massage device is its imaginative design repeated penetration with the curved form makes the senses swoon, whilst gentle turning on insertion accentuates the ribbed design for an even more intense experience.SINFIVE vibrators offer certified physical compatibility, are waterproof, easy to take care of, very quiet and have a neutral odour. Ideal for vaginal and clitoral stimulation tender touches or sinful desire On purchasing a SINFIVE product, you receive a one year guarantee from the manufacturer.You also have the opportunity to extend the guarantee period by four years to a total of five years