Take strap-on sex to the extreme with the Fetish Fantasy Extreme Hollow Strap-on. This heavy duty hollow strap-on features a 12 long, 2.5 thick phthalate-free rubber dong, held in place by a steel o-ring and leather harness. The comfortable leather harness easily adjusts to fit most sizes, while the durable metal O-rings hold everything together.A long hollow plastic tube,measuring 1.5 in diameter, is placed inside the rubber dong, making it perfect for both sexes to wear.