Air tight suction ensures that tip in or balls deep, the PDX Elite Air-Tight Oral Stroker will give you ?the best oral sex experience of your life! - Air-Tight Suction - Powerful suction ensures the most incredible oral sex experience. Remove the suction control sticker and use your thumb to adjust the suction levels manually. - Sturdy Exterior Case - The convenient enclosed storage features an ergonomic design which guarantees a solid grip every time. - Snug Realistic Feel - The tight Fanta Flesh tunnel warms to your body temperature and creates an incredibly lifelike experience.