If you want to last longer, go harder, and own your finish like a legend, then the Fleshlight Anal Stamina Training Unit is your new drill sergeant. Designed to build endurance where it counts, this tight, textured beast simulates the kind of intense backdoor grip that'll have your stamina pushed to its limit — and then some.

With a snug anal orifice and the infamous STU texture (Stamina Training Unit), every stroke is a test of willpower. The interior’s packed with high-density nubs, ridges, and grip zones that trigger maximum stimulation while forcing you to stay in control. Want to hold out longer in bed? This is how you train like a pro. Want to edge until your legs are shaking? This unit's got you covered. It’s not just pleasure — it’s performance under pressure.

• STU interior texture – designed to improve stamina with intense stimulation
• Anal orifice – delivers tight, high-resistance grip for advanced training
• Firm SuperSkin® sleeve – soft where it counts, tough where it trains
• Gold hard case – premium finish for a stroker built like a trophy
• Perfect for edging – train your control and extend your playtime

What’s In The Box:
• Fleshlight Anal STU Sleeve
• Gold Fleshlight case

Product Specifications:
• Insertable length: 10"
• Canal diameter: 0.375"
• Outer diameter: 4" to 2.5"

Anal strokers aren’t just about pleasure — they’re power tools for men who want results. The Fleshlight Anal Stamina Training Unit is a tight, tactical stroker built to take you further, train your control, and leave you sweating for the right reasons. This one earns a permanent spot in your performance kit.

Naughty Boy delivers the kind of training gear real men rely on — because pleasure is serious business.

Add it to your stash — you’ll feel the difference.