The clear, flexible material gives you a full view of the action and the tight, thick canal supports your erection, offering extra satisfaction and comfort as you play. As well as the 2 extra inches of length, you'll enjoy just under an inch of added girth.
This is worth repeating, be sure to use lots of water-based lube on both the inside and outside of the toy to intensify pleasure for you and your partner and avoid painful friction burns.