Throb your knob with this power thrusting head stroker! 2 powerful speeds of super stroking action. Removable textured super stretchy sleeve. Easy to clean. Easy to operate with EZ sliding speed control. LED indicator light. Handy grip strap for secure use. Stroker is made using phthalate free, non-toxic materials ABS plastic case, switch, decor ring, strap, Thermoplastic Rubber TPR sleeve, Polyester elastic strap. Vibrating masturbation device requires 4 AA batteries, not included. Do not leave batteries in the masturbation device between uses. Chamber measures 3 inches long by 2.25 inches wide. Overall measurements 7.75 inches long by 2.75 inches wide. Bulk weight 12.7 ounces. Always clean before and after use. A water based lubricant is recommended. Category: For Men, Masturbators, Non-Beaded. Xtreme Head Exciter is a registered trademark for California Exotic Novelties. Sex toys and sexual wellness. Colors may vary. 16.