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Rumble Tuff

Rumble Tuff Slim-Cups + Insert Kit Combo

$39.99 USD
$45.99 USD $39.99 USD
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Experience discreet, convenient pumping with Rumble Tuff's Slim-Cups Wearable Collection Cups. These low-profile cups offer true hands-free mobility while maintaining powerful expression and suction. For added comfort, proper fit, and proven enhanced flow, choose between our Small Insert Kit, complete with 15,17,19, and 21mm pairs, OR Large Insert Kit including 11, 13, 15, 17, 19, and 21mm pairs.

Choose Your Size - Insert Kit
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  • Ultra-Discreet Design

    Slimmer profile fits comfortably under clothing for subtle pumping anywhere

  • Practical Capacity

    5oz collection capacity per cup handles typical pumping sessions

  • Simplified Cleaning

    Just 3 parts for quick disassembly and thorough cleaning between sessions

  • Universal Compatibility

    Works seamlessly with most electric breast pumps on the market

  • Only 3 Parts

  • Easy to Clean

  • Durable and Safe

  • Discreet Design

Here's What You'll Get

  • Collection Cup x2
  • 15/17mm or 19/21mm Breast Shield/Flange x2
  • Silicone Diaphragm x2
  • Tubing x2
  • Tubing Adapter x2
  • Brush
  • Drying Bag
  • Choice of your Insert Kit*
*Small Insert Kit - 15,17,19, 21mm pairs or
*Large Insert Kit - 11, 13, 15, 17, 19, and 21mm pairs
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For All Different Sizes

We know that size matters when it comes to maximizing your output.

That’s why we created the Rumble Tuff 24mm Slim-Cup with Insert Kit. Need a different size later? No problem—all insert sizes can be purchased separately.

The 24mm Slim-Cup is the only model compatible with every Rumble Tuff insert size - giving you the most flexibility and comfort. Not sure which kit or size is right for you? You can order insert kits to explore your options, check our sizing guide below, or schedule a free personalized fitting with one of our lactation team!”

Check your flange size

Personalized Pumping Support

At Rumble Tuff, we understand that every parent’s breastfeeding journey is unique. That’s why we offer personalized 1:1 lactation support for all our users. Whether you need help with your pumping technique, adjusting to the Slim-Cups, or any other breastfeeding concerns, our lactation consultants are here to support you every step of the way.

Schedule your free appointment

Meet Your Perfect Pumping Companion

Wish your current pump was hands free? Want to pump more on the go? We’ve got you! Rumble Tuff Slim-Cups offer a seamless, hands-free pumping experience. These innovative cups fit comfortably in your bra, allowing you to move freely and go about your day while you pump.

* Easy * Discreet * Simple

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Can I Use Slim-Cups with My Breast Pump?

Our Slim-Cups are compatible with a wide range of breast pumps, making your pumping journey flexible and convenient! From Medela to Spectra, Ameda to Lansinoh, we've designed our cups to work seamlessly with most popular breast pump brands. Whether you're using a hospital-grade pump or a portable electric model, chances are we've got you covered.

Check Compatibility