10 functions of vibration, pulsation and escalation. Superior suction cup makes dong great for solo use, or with a partner. Harness compatible with o-ring strap on. Whisper quiet, discreet operation. Realistic dong can be inserted 6.25 inches deep. Overall dong is 8.5 inches long by 1.5 wide plus 5.25 inches in shaft circumference, 8.75 inches scrotum circumference. Bulk weight 14.1 ounces. Phthalate free, non-toxic materials PVC dong, ABS plastic with silver plating decorative ring, bullet, ABS plastic power pack. 2 AAA batteries, not included.