SKU: 88054750115

3D Printed Flat Chastity Cage with Inverted Steel Ball Catheter | F3216B

Sale price$27.86 Regular price$30.95
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

3D Printed Flat Chastity Cage with Inverted Steel Ball Catheter | F3216BDESCRIPTION From the moment I first wore the flat style ABS chastity cage, I knew this wasnt just another toy on the shelfit was built for people like us. People who crave discipline, subtlety, and the kind of sensory detail only a well thought out design can deliver. Lets talk comfort first. The cage is made of durable, non toxic ABS resin, but dont let the word resin fool you. This thing feels smoothsilky smooth. No rough seams, no harsh edges. Just

• DESCRIPTION

From the moment I first wore the flat-style ABS chastity cage, I knew this wasn’t just another toy on the shelf—it was built for people like us. People who crave discipline, subtlety, and the kind of sensory detail only a well-thought-out design can deliver.

Let’s talk comfort first. The cage is made of durable, non-toxic ABS resin, but don’t let the word “resin” fool you. This thing feels smooth—silky smooth. No rough seams, no harsh edges. Just soft, rounded curves that hug your body like it belongs there. Whether you're new to chastity or a seasoned locked boy, you'll appreciate how this cage feels almost invisible against the skin. No pinching, no rubbing—just a quiet, constant presence.

The colors? Honestly, they’re a sweet surprise. Four vibrant options, like pieces of candy, each with its own playful vibe. I went with the soft pink at first—cute, but not silly. Just the right amount of sweetness without taking away from the seriousness of the lock.

It comes with four different base ring sizes, which made it easy to find the perfect balance between security and wearability. I switch them depending on the day—some days I want tight, unforgiving control. Other days, I’m in the mood for a little breathing room. The flexibility is everything.

Additionally, the F3216B comes with five One-Time Plastic Locks, providing a travel-friendly solution that avoids the complications of metal cages at security checkpoints. These locks allow for a smooth passage through airports, train stations, or other public spaces without triggering alarms, offering privacy and peace of mind. As someone who travels a lot, this tiny detail means the world.

Now, the flat design is genius. No awkward bulges, no visible outlines under clothing. I’ve worn it on the subway, at the gym, during flights—zero stares, zero embarrassment. It stays close to the body, tucks perfectly, and even during long wear, it doesn't shift or become uncomfortable.

And then there’s the catheter. This is where things get really interesting. The F3216B features a unique inverted steel ball catheter that does more than just provide stimulation—it offers true dual-purpose functionality. The stainless steel bead gently presses inward, enhancing the feeling of containment and deep submission. But what truly impressed me was how clean and practical it is. You can urinate through it easily—no spraying, no discomfort, no mess. It keeps everything neat and controlled, even during long-term wear. And if you ever want to dial things back and go with a more classic setup? Just remove the inverted steel ball catheter, and the F3216B transforms into a traditional flat cage. That level of modularity really makes it stand out.

Cleaning is easy, too. The materials don’t absorb odor or bacteria, and the whole piece rinses clean in seconds. I’ve worn it for days at a time, and it still feels fresh every morning. No irritation, no signs of wear. Just that same reliable shell keeping me exactly where I belong.

This isn’t just a chastity cage. It’s a lifestyle upgrade. Flat, discreet, colorful, and intensely intimate. Every detail—from the inverted steel ball to the smooth finish—is built for pleasure through denial. And as someone who’s lived locked, I can tell you: this cage gets it.

• SPECIFICATIONS

  • Model: F3216B
  • Material: ABS Resin
  • Weight: 140g
  • Color: Black, White, Pink, Dark Blue
  • Flat Cage Diameter: 1.77 inch / 45 mm
  • Flat Cage Thickness: 0.28 inch / 7 mm

• BASE RING DIAMETER:

  • 1.65 inch / 42 mm
  • 1.77 inch / 45 mm
  • 1.89 inch / 48 mm
  • 2.05 inch / 52 mm

 INVERTED STEEL BALL CATHETER ACCESSORIES

  • Total Length: 7.64 inch / 194 mm
  • Insertable Length: 5.51 inch / 140 mm
  • Catheter Diameter: 0.24 inch / 6 mm
  • Inverted steel ball width: 0.78 inch / 20 mm

BELT ACCESSORIES- [OPTION]

We offer an optional elastic belt accessory for this item, if you are interested in it you can use it with this item, the elastic belt is also compatible with all chastity cages in our store, if you are not interested in it please select “none”

  • Model: PU3
  • Name: Elastic Belt
  • Material: Nylon fiber + rubber + latex
  • Color: Pink, White, Black
  • Intro: Applicable waist 33.50 inch - 51.20 inch (85 cm - 130 cm).
  • Compatible with all FRRK Chastity Cages

The silicone catheter can be removed by you, and the silicone catheter can be cut to fit your needs.

• Free Inclusions With Every Purchase

  • 1 Cage
  • 4 Rings
  • 1 Connection
  • 5 One-Time Plastic Lock
  • 1 Metal Padlock with 2 Keys
  • 1 Inverted Steel Ball Catheter

• FOUR VERSIONS AVAILABLE

This cage comes in 4 different versions. Click the text link to learn more details.

    • 100% DISCREET

    *Your privacy is of our utmost importance. All of our items get shipped out VERY DISCREET. With no weird markings on the packaging of any kind. It will be your little naughty secret and no one will ever know what's inside.

    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 88054750115

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    4.2 ★★★★★
    Based on 17 reviews
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    Verified Purchase
    Claudia Garfield
    Port Orchard, US
    ★★★★★ 5
    Perfect ball
    Size: Medium
    Our dog loves these!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 26, 2026
    T
    Verified Purchase
    Timothy john starkweather
    Carnegie, US
    ★★★★★ 4
    Soild
    Size: Medium
    The orange and blue ball is perfect. Once start taken because the because the blue noisy one was a little to easy for my dog to start ripping pieces off. Will say most toys do not survive his chewing.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on January 24, 2026
    C
    Verified Purchase
    Christy D.
    Draper, US
    ★★★★★ 5
    Aggressive chewer who loves fetch approved!!
    Size: Medium, Size: Medium
    I highly recommend the Chuck-It brand in general, especially for dogs with an aggressive bite. These balls are awesome and are the most durable balls I’ve bought for my 50 lbs lab mix. He has not been able to break one of them yet and we’ve had a few of the squeaky balls for months. They are a bit pricey but worth it. The one in the pic has been used for months, lives outside and you can see it’s still in great shape.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 22, 2025
    T
    Verified Purchase
    Tasha U
    West Palm Beach, US
    ★★★★★ 5
    Good quality dog ball for playing fetch
    Size: Medium
    My dog and family love these chuck it balls to play fetch with our dog. They are durable and fun. They squeak which is added fun for any dog! Regular tennis balls my dog chews apart and they get pretty gross after playing and being left outside. These can be easily washed off and cleaned. These balls last! Would recommend to anyone with a dog and would purchase again.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on April 17, 2025
    R
    Verified Purchase
    ryan johnson
    Lake Worth, US
    ★★★★★ 5
    Tough and sturdy
    Size: Medium
    Have lasted my dog for years now and she is a tough chewer. Worth the money
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 12, 2025

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