Masturbator imaginatively and cleverly designed with stimulating grooves, stimulating nubs and stimulation wings for an intense stimulation of the penis shaft and glans. the masturbator, which can be used one-handed, contains 2 powerful motors with 10 vibration functions, which can be controlled easily using the mode buttons. the expandable wings can trans the toy's vibrations and the additional glans stimulator can enhance the intensity of the stimulation. the sleeve is suitable for all penis sizes. a satin bag is included for storage.material: stretchable silicone and abs plastic, soft, flexible, odorless, easy to clean, waterproof and rechargeable using a usb cable (adapter not included). total length: approx. 16.20 cm (6.38 inch), total width: approx. 5.90 cm (2.32 inch).use a little lubricant if necessary, e. g. malesation glide water-based, for a more pleasant sliding sensation.