Ultra realistic ribbed textured sleeve with realistic lips. Intense stroking pleasure with dynamic massaging beads. Easy to use with LED indicator. Slip and slide inside with soft sleeve material. Hard outer case prevents accidental damage to masturbator. Easy to clean and wash. Made from phthalate free and body safe materials Thermoplastic Elastomers TPE. Stroker requires 4 AAA batteries, not included. Includes 1 masturbator, 1 travel bag, 3 silicone rings, instructional manual.