STP 3 from Banana Prosthetics Review

My Rating

Great for anyone looking for a smaller STP!

Key Features

🏳️‍⚧️ Trans-Owned Company: Yes
🥞 Uncircumsized
👣 Size: 1
🎨 Color Tones Available: 7
💰 Price: $89 USD ($120 CND)
🧍🏽‍♂️Stand-To-Pee Function: Yes
🍆Can Be Used For Penetration: No
💦 Urinal Friendly: Yes
🧬 Real Feel™ Test: Yeah
👍🏽 Good for Bigger Bodies: Not the best
👀 Discreet Shipping: Yes
⚡️ Energy: Small but Mighty


Banana Prosthetics has so many different prosthetics that you’re bound to find something that will work for you. I actually really love this about this company because they acknowledge that everyone experiences prosthetics differently and want different things. This is such a plus for me because some of their STPs I did not like, and then this one. Probably my favourite STP they have ever created. It’s nice a small, so it packs really easy. It’s not super pricey at $89 USD (compared to other STPs that start at $100). And the best part? It’s actually easy to use and pee with! Wouldn’t you imagine! And STP that actually works. Okay, I know that sounds shady but I’ve tried just about every STP out there and when they are small, they are SO hard to use. Not this one! It’s small but mighty, and it works!

The Great

  • Easy to use after you’ve practiced  
  • Can be easily used at a urinal 
  • Durable material 
  • Small: great for smaller folks!
  • Packing is easy

The Not-so-Great

  • Larger Bodies – Not great for people who have larger bodies, bellies, and thighs as the shaft is pretty small and it can be hard to reach.
  • Might be too small for some

Use the discount code: CHASEROSS


The STP3 comes in a branded plastic bag from Banana Prosthetics.

Example of bag the prosthetic comes in

I know a lot of people wonder what the actual shipping box looks like and it’s tough to really say because this prosthetic is sold by many different online retailers. I’ve gotten a lot of packages from Banana Prosthetics and since they are from Canada, they have to put a customs declaration form if they are shipping to the USA or any other country. From my experience, they have not written anything wild like “big ol dick”, so you should be safe.


The STP3 is available in 7 different skin tones. And just a quick note, the darkest shade is actually dark. Some other companies “dark” shade is a “medium brown” at best. So I’m super happy to see this company bring out 3 really good darker shades!

If you’re unsure which color to get, you can buy their color sampler for $4 here.


The STP 3 comes in one size and it’s one of the smallest STPs I’ve seen on the market. There are some other STPs that are a similar size like the Sam STP from NYTC, or the Number One STP, however, because of their size, the cup is just so small and it’s very hard to pee out of them. Both of those are also very hard to pack with. The STP 3 from Banana Prosthetics actually packs well and works!

Full Length: 4.5”/114mm
Length of Shaft: 2.75”/67mm
Circumference of Shaft: 3.75”/95mm
Length of Cup: 4”/101mm
Width of Cup: 2.9”/ 75mm
Weight: 4.3oz / 122g

Material and Feel

This STP is not tacky or sticky at all. It actually has a nice texture to it. As you can see from the GIF above, it’s very easy to squish, which means it’s easy to pack with. I was honestly very surprised by how squishy this STP was and the fact that it works well because other companies that have attempted softer STPs haven’t really nailed it. They usually are way to big and flimsy. Well, good thing about this one is it’s not flimsy at all and bounces right back!

Use the discount code: CHASEROSS


Packing with this STP is a dream. I know that sounds dramatic but here me out. Usually, STPs have a weird shape, so it’s hard to pack with, OR they are HUGE and extremely hard to pack with without it looking like a giant boner. I was so happy when I opened up my package and saw just how small this STP was. I was nervous that it might be too small, but as you’ll see below, it gives me such a nice bulge and doesn’t feel uncomfortable at all. This is absolutely something I would wear to the gym daily and not feel self-conscious about having a giant snake in my pants. Doing squats, stretching, lifting, running, cycling, all of it feels and looks good with this STP. 

You can use regular briefs, packing boxer briefs, a harness, and a packing strap. I would warn against wearing it just loosely in boxers and boxer briefs as it will most likely fly out.


I know I’ve said it a bunch of times, but I’m telling you, this STP really works for me. I feel like it’s pretty rare for me to try an STP for the first time and not piss on myself. So obviously, as I was standing naked in the bathroom over the toilet expecting pee to come down my leg, I was pleasantly shocked to see the pee just flow right out of the STP and NOT down my leg! Now, I’m always super honest, so I’ll tell you that I don’t wear an STP ever. I literally only wear one when I have a product to review. However, I can confidently say that IF I was in a “dysphoric  funk”, as I like to call it, and I really felt the need to pee standing up. There is literally no doubt in my mind which STP I would reach for. 

Now, obviously there are a lot of other STPs out there that are great and work. However, the big issue I have with the ones that work really well is the shapes they are in. Look at the EZP STP from Transthetics. It’s such a good STP, but packing with it? Forget about it. It’s not what I want in my pants. I want something that looks ~natural~ and something that works!

Again, I want to acknowledge that I am one person and this is my experience with this STP. It might not work for you, or it might be the best STP in the world for you. You won’t know until you try it (which I really hate, I wish people could just try out prosthetics before buying them to make sure they work for their bodies – but thats a topic for another day…). All this to say, the anatomy that I have just aligns perfectly with this STP and it works for me.

Bigger Bodies
Peeing with the Sam STP can be a little tricky if you have a bigger body as the shaft is small. You have to maneuver the cup under your junk and position it and it becomes a little hard to move the shaft around to aim when the belly and thighs are bigger. But listen, I’ve got some thick thighs and all I have to do in order to make sure this STP works is squat a little. We all know it, the “STP Squat”.

Real Feel Test™

Visual Realism 4.5/5

I almost gave this a 5/5 but there is no custom paint detailing on it. Visually though, this is a PENIS. It’s a small flaccid penis, but you’re mostly likely going to be using this to pee standing up in the toilet or urinal. If anyone at the urinals glance down at you quickly, they shouldn’t be able to tell it’s a prosthetic.

Touch Realism (Through Pants) 4/5

Feels very realistic if you or someone else touch this STP through pants or underwear. It’s not a very “wiggly” STP, so it might feel like you’re 20% hard. But that’s not bad! Since it’s an STP, the inside is hollowed out so that’s really the only non-realistic part about it.

Touch Realism (Skin-Like) 3.5/5

If I close my eyes and I rub this STP,  because it’s hollow, I can tell it’s not skin, but really, the texture of the silicone is very soft and skin-like. 

Cleaning and Care

I recommend cleaning this product before and after each use. 

The 100% silicone component makes this STP easy to clean and sterilize. The easiest way to clean this product is with hot soapy water or by sticking it in the top row of the dishwasher. If you need to sterilize this product, put it in a boiling pot of water for 3-5 minutes. Because this product is made of 100% silicone, boiling it is 100% safe. 

If you are in a public place and cannot clean the STP, try to give it a small rinse when you can. If you leave the STP on all day and night, bacteria can accumulate and you are at a higher risk of UTIs (Urinary Tract Infections).

If you find that the prosthetic is tacky/sticky after cleaning it, I always recommend using cornstarch (or other rejuvenating powders) to maintain a smooth and silky texture. If you have one of the darker skin tones and you don’t want to put white cornstarch on it, add a little cocoa powder to the cornstarch to offset the color.

*Please do not use talcum powder (most commonly found in baby powder), it has been associated with different types of cancers, mostly ovarian cancer. I have a full article on the dangers of talcum power here.


I recommend using the original packaging or a natural canvas bag. Place this product in a cool, dry, and dark place, like a dresser drawer. Do not store it with other similar-material products as those eventually can start to morph together, which is really not fun. Sometimes, these products secrete an oily texture and a canvas bag will help absorb this moisture. 

If you do not store your STP properly, overtime it can secret oils and eventually lose its shape and size (it will become smaller).

Small Tip: Add a little bit of cornstarch to this product before storing it in a bag. This will help its life and longevity.

Full Rating

Durability 5/5

I’ve been using this for months on and off and there is not even one sign that it’s been used. No parts that look weak or that may rip in the future. Very durable.

Packability 5/5

I mean, what can I say? I just love how this STP looks in my underwear and how I feel wearing it. It feels just like a packer but pees like an STP. What a dream!

Budget Friendly 4/5

Ok, $89 isn’t the most affordable when you think of a prosthetic, however, for an STP that you can actually pack with and that actually works, I think $89 is a great price. Especially considering other STPs that do work, but don’t pack well like the EZP, which costs $195!

Urinal Friendly 4.5/5

Yes! Using it at the urinal shouldn’t be a problem, especially since you can just stick it back in your pants and it just goes back to being a packer. If you are someone with a bigger body and/or bigger thighs, you might have to squat down a little to make it work, but honestly, as someone who does have big thighs, I haven’t had many issues. 

Final Thoughts

I don’t think it’s a secret anymore how much I love this STP. Literally, I cannot begin to explain how amazing it felt to be able to pack and pee with something. It’s almost like how all pack n’ play prosthetics aren’t perfect because you’re either getting something way to big to pack with, but its a great size for sex. OR you get something way to small for sex, but it’s great for packing. The same concept happens with an STP. It either works but you can’t pack with it. Or you can pack with it but it doesn’t work. Finally, someone has made one that ACTUALLY works. 

It’s both functional and aesthetically pleasing in my pants. I want something that looks ~natural~ and something that works. Back in the day, we didn’t have a lot of options, so we went for function over asethetics. But we are in the future baby, and let me tell you, an STP that looks good, feels good, and works, exists!

There is no perfect prosthetic out there. But out of every single STP I’ve ever tried. This is a top 3 for me. The only things I would change (or add) would be an option to have custom paint detailing. So the veins can pop a little more and the skin tone blends. Other than that, oh baby, what a great STP we have here!

Use the discount code: CHASEROSS

Watch my original YouTube review from 2024

Video may be age restricted. You have to click the link and login in order to watch it.nn

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