10 inch long (25 cm); the head alone is 4.5 inch long (11 cm). The thickness increases from 2.75 inch (7 cm) just below the head to an incredible 4.5 inch (11.5 cm).And jolly good it is! A massive weight of almost 1500 gram will fill you up with pleasure. Once you've passed the dickhead the shaft increases quickly in diameter, so a great toy for stretching your limit. black soft phthalate-free vinyl.This giant plug is underpoured; the bottom is a bit hollow so it will suck itself to the ground.