Expand your horizons with the Deluxe Inflatable Wonder Plug. Simply insert the plug before inflating, tighten the hand screw and squeeze the plunger to inflate to desired width. Loosen screw to deflate. Add to your pleasure with the multi-speed vibrations that you control from the easy roll controller. The Wonder Plug measures 4.5" long and 1.5" across when deflated. It inflates to approximately 3.5".