Three stainless steel thermos bottles with lids on a white background. The bottles are embossed with the text RapidCool, and are all made of stainless steel. The thermos bottles have the following awards on them: 2023 GOLD Mother & Baby Awards, 2024 GOLD Best Travel Product over £30
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
Three stainless steel thermos bottles with lids on a white background. The bottles are embossed with the text RapidCool, and are all made of stainless steel. The thermos bottles have the following awards on them: 2023 GOLD Mother & Baby Awards, 2024 GOLD Best Travel Product over £30
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit
RapidCool™ Formula Feeding Kit

RapidCool™ Formula Feeding Kit

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Why Buy Me?

  • Cools baby formula milk from boiling to the perfect temperature in just 2 minutes*
  • Conforms to NHS guidelines, using freshly boiled water to prepare bottle feeds safely
  • Easy to use and clean, no complex set-up, and doesn't require expensive replacement filters
  • Travel friendly, the RapidCool™ fits in most nappy change bags, and no power supply is needed
  • RapidCool™ prepares bottles fast and without a sound, perfect for both day and night

Looking for a fuss-free way of formula feeding whilst on the move? Aren’t we all…
Introducing the portable (and some might even say perfect) solution for making your baby’s bottle that’s not only quick, convenient and hygienic – but also conforms to NHS guidelines.

The travel friendly RapidCool™ Formula Feeding Kit works rapidly to cool down a baby’s feed, providing you with milk to mouth in only two minutes*, regardless of location or time.

Our innovative kit contains two game changing RapidCool™ flasks so you’re never caught short whilst the other is being cleaned, as well as an insulated flask to transport boiled water on-the-go – so no need to beg your local barista for a hot shot anymore.

How to use:

Making a formula feed in rapid time has never been easier.

  1. Fill your RapidCool™ with freshly boiled water using the measurement markers located inside the flask, add your formula powder and mix well - being sure to turn the flask upside down for at least 10 seconds to allow the mixture to make contact with the thermostat on the inside of the digital lid.
  2. Stand the flask upright and wait for the digital display to show a green Nuby logo.
    Time may vary between 2 - 5 minutes, depending on the size of the feed. 
  3. Dispense contents into a clean, sterile bottle and test the temperature of the formula on the inside of your wrist before giving to your baby.

Product consists of:

2x RapidCool™ Flasks 
2 x Digital Lids (powered by long-life lithium battery)
2 x Small Milk Powder Formula Dispenser
1x Insulated Flask
1x Standard Lid

Designed for 90ml - 240ml (3oz - 8oz) feed sizes, you have the flexibility to increase feed sizes as your baby grows. The formula feeding kit contains two RapidCool™ flasks, so you’ve always got one ready to go while the other is being cleaned. 

For more information and instruction manual, click here.
*Time varies between 2-5 minutes, depending on the size of the feed.
SKU: 30131

WARNING: Adult use only. Inspect before each use and throw away at signs of damage or weakness. When making up a feed, follow the formula milk manufacturer's instructions. Do not use in microwave. Always allow RapidCool™ to reset before use and handling. Handle RapidCool™ carefully as the bottle base will heat up when in use.

Important information included inside of product packaging. Please read and retain for future reference.

WARRANTY: Nuby's RapidCool™ includes a one-year limited warranty against defects from the date of purchase. In the event of a malfunction or defect during the in-warranty period, Nuby™, at its discretion, will replace or repair the product under warranty. Upon receipt of the product and the proof of purchase with a valid date of purchase, the defective part will be repaired or replaced and returned to you free of charge. Please send Nuby the defective unit, proof of purchase with valid date of purchase, and a description of the problem you have encountered.

Is this BPA free?

Yes this product is BPA free.

How does RapidCool™work?

The RapidCool™ base uses specialist patented materials within its walls to absorb heat from the boiling water that is used to prepare formula milk, quickly cooling the feed to the perfect temperature. The digital lid has an integrated thermometer that activates when it comes into contact with water.

How do I clean and sterilise the RapidCool™ lid?

The digital lid should be cleaned in warm, soapy water. After cleaning, the lid should be sterilised by UV sterilisation or cold-water sterilisation - for cold-water sterilisation, please follow manufacturer's instructions. The RapidCool™ lid must glow Nuby red when attached to the flask to indicate the water is at the correct temperature. Keep the flask upside down to make sure the water is in contact with the lid for at least 30 seconds. The seal inside the RapidCool lid is also removable to make cleaning after each use super quick and easy. After the lid and seal have been cleaned the lid will be safe to use.

How do I sterilise the RapidCool™ base?

You can sterilise a RapidCool™ base via UV sterilisation, cold water sterilisation or steam sterilisation. Never steam sterilise in a microwave.

Can I mix formula with the boiled water immediately or do I have to wait for the water to cool down to 70°C?

No, you don’t have to wait. Freshly boiled water can and should be used immediately for the safest feed. NHS guidelines state that water should be no less than 70°C, and due to the specialist patented materials within RapidCool™'s walls, freshly boiled water will begin to cool immediately once poured inside - meaning the water will no longer be at boiling temperature but still hot enough to make a feed safely once the formula has been dispensed into the flask.

Mixing formula with freshly boiled water is the safest way to feed, as it ensures any harmful bacteria are eliminated.

View NHS guidelines on baby formula feeding here

How do I know when the RapidCool™ is ready to use again?

The RapidCool™ works by absorbing heat from hot liquids. After being exposed to heat, it will require a minimum of 3 hours before being ready to use again. The flask should feel cool to the touch.

How does RapidCool™ comply with NHS guidelines?

The NHS guidelines state that when preparing a bottle, you should use freshly boiled water, which has been left no longer than 30 minutes so that it remains at a temperature of at least 70°C. With RapidCool™ you pour freshly boiled water into the base along with your formula, and thanks to its patented technology the bottle will then cool the feed in 2 minutes*. Using freshly boiled water means that any harmful bacteria is killed and the RapidCool™ eliminates the need to run bottles under cold water or use an ice bath to get the feed to the right temperature.

View NHS guidelines on baby formula feeding here

How long can I leave the feed in the flask after preparing it?

We recommend that the feed is used immediately (as soon as the Nuby light turns green and indicates the feed has cooled sufficiently), as per the NHS guidelines.

How would this work for night feeds?

The RapidCool™ is quiet and quick, with no noisy machines or plugs needed. There is also the option of keeping hot water to hand in the kit's insulated flask, to save time boiling the kettle in the middle of the night.

How many feeds does it make at a time?

RapidCool™ makes one feed at a time as it needs cleaning and sterilising between uses. We have designed the RapidCool™ so that you have the flexibility of feed sizes between 90ml - 240ml (3oz - 8oz) as your baby grows. There are seven measurement markers located inside the flask between 60ml and 240ml.

How is it powered?

The lid is powered by a long-life lithium battery that does not require charging.

Where should I store the RapidCool?

The RapidCool™ should be stored in a cool dark place, out of direct sunlight.

Can I take my RapidCool™ through airport security?

Security measures may differ between travel providers, so we recommend you check with both your airline, as well as the airport(s) you are travelling through to ensure you can take your RapidCool™ onboard.

How long does the insulator flask stay hot?

The insulated flask will keep water above a safe temperature to make a feed for at least three hours*, when pre-heated with boiling water first. The insulated flask works with the digital lid to show with a red ‘Nuby’ that the water is still hot enough to kill any bacteria in the formula.

*v2 only, v1 is two hours.