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Make Feeding On-the-Go Easier: Meet Nuby’s RapidCool™ & RapidSterilise™

AuthorEmma McCosham | Nuby UK

Published on 29th Jan, 2026

Whether you’re at home, in the car, or out on a family adventure, preparing safe baby feeds shouldn’t slow you down. That’s where Nuby’s RapidCool™ and RapidSterilise™ come in. Two innovative parenting essentials designed to make bottle-feeding quicker, safer, and more convenient than ever.

Perfect for the January Baby Event and beyond, this guide explains how they work together, how they simplify daily feeds, and why UV sterilisation is emerging as a smart alternative to traditional steam sterilising.

Why RapidCool™ Changes Everything for Bottle-Feeding Parents

The RapidCool™ is designed to give parents complete flexibility while following NHS guidelines for safe formula preparation.

How RapidCool™ Works:

  1. Fill with freshly boiled water using the internal measuring markers.

  2. Add pre-measured formula powder directly to the flask.

  3. Attach the digital thermometer lid - you’ll see an amber light to show the feed is still too warm.

  4. Shake well, turning the flask upside down to ensure the mixture reaches the thermostat.

  5. In as little as 2 minutes*, the Nuby logo light turns green, showing the feed is safely cooled to the perfect temperature.

  6. Pour into a sterilised bottle, and you’re ready to feed.

It’s quick, it’s simple, and it gives you perfectly cooled feeds without waiting around.

Introducing RapidSterilise™: 1-Minute UV Sterilisation

Once your RapidCool™ has been used, it needs sterilising before the next feed - and that’s where the RapidSterilise™ steps in.

Using advanced UV light technology, it sterilises the RapidCool™ in just one minute, eliminating the need for steam, heat, or cold-water tablets.

Key Benefits of RapidSterilise™

  • Includes LED bulbs that emit UV light, which destroys microorganism DNA.

  • No heat, no steam, no water

  • Ideal for travel, night feeds, and busy days

  • Up to 70 uses per charge, rechargeable via USB-C

How to Use It

  1. Remove both lids from the RapidSterilise and open your RapidCool.

  2. Place the RapidCool lid into the lid sterilisation chamber so it touches Sensor 1.

  3. Position the RapidSterilise over the RapidCool flask so the neck is centred on Sensor 2.

  4. Press the button - the blue light flashes while it sterilises.

  5. After one minute, it switches off automatically.

With RapidSterilise™, your RapidCool is always ready when your baby is.

UV Sterilisation vs Steam Sterilisation: What’s the Difference?

Both sterilisation methods are effective, but UV technology offers several modern advantages, especially for parents on the move.

Steam Sterilisation (Traditional Method)

  • Uses high-temperature steam

  • Often requires a microwave or large countertop unit

  • Can place repeated heat stress on plastics, contributing to micro-wear over time

  • Water must be added, replaced, emptied, and units regularly descaled

UV Sterilisation (RapidSterilise™ Method)

  • No heat – safer around little hands

  • No water or chemicals needed

  • Portable and ideal for travel

  • Quick: sterilises in just 1 minute

  • Energy efficient with up to 70 uses per charge

For products like RapidCool™ that parents use multiple times a day, UV is a fast, clean, mess-free option.

Ready to Make Bottle Feeding Easier?

Whether you’re prepping feeds for nighttime, quick trips out, or long days away from home, Nuby’s RapidCool™ and RapidSterilise™ are the perfect duo to keep feeding safe, fast, and hassle-free all year round.

Make Feeding On-the-Go Easier: Meet Nuby’s RapidCool™ & RapidSterilise™