• Hot warning
  • Hot to touch
  • Hot warning stickers
  • Hand hot label
1 4

Traffic Light Hot Warning Label Sticker

Traffic Light Hot Warning Label Sticker

£4.95 GBP
£4.95 GBP
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  • Free UK Shipping on Orders Over £50
  • Over 10K Happy Customers

Description

The Traffic Light hot warning label is straightforward to read with its bright and colourful display, that clearly indicates when temperature is too high. The thermochromic materials that have been used in the manufacture of this label have been carefully selected to ensure temperature ranges can be easily identified within a viewing range of 4 meters, making this product ideal for industrial, commercial and domestic applications where high temperatures need monitoring. Liquid crystal technology has been used to ensures no external power source is needed to operate the warning label.

Green indicates that the temperature is below 50°C

Amber indicates that the temperature is between 50°C and 70°C

Red indicates that the temperature is above 70°C

Measuring only 52 by 48mm in siz, this self-adhesive sticker can be applied to a wide range of substrates including plastic, metal, wood, stone and card. Please ensure the surface that this product is being applied to is clean, dry and free of dust.

Please keep away from direct UV and extreme temperatures.

Please contact us for trade and bulk pricing.

Shipping & Delivery

We ship worldwide using trusted partners, with same-day dispatch on orders placed before 1 pm (subject to stock) and free UK delivery on orders over £50.

Every order is tracked, carefully packed, and arrives in excellent condition — with biodegradable packaging used wherever possible.

Shop with confidence with easy returns and exchanges!

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What Our Customers Say

Great experience from start to finish. The materials were top quality and added a unique touch to our product launch. Arrived on time and well-packaged.
James T
Fantastic service and even better products. The colour change effects are so cool and exactly what we needed. Can’t wait to use them again for future designs!
Amelia K
Really impressed with the colour-changing inks! They worked perfectly for my project and the customer service was super helpful. Fast delivery too — highly recommend
Sophie R

Frequently Asked Questions

Who are Colour Changing ?

Colour Changing is a global pioneer in smart materials, specialising in advanced colour-changing technologies for over 30 years. Founded by Jeremy Dredge, we’ve grown from a family business into an international enterprise with facilities in the UK and Spain, delivering innovative, science-backed solutions worldwide.

What technologies do you offer ?

Our core technologies include thermochromic, photochromic, and hydrochromic inks, paints, and coatings — materials that change colour with temperature, light, or moisture. Every product is developed to the highest standards of quality and performance.

How do you support businesses ?

We help businesses enhance safety, efficiency, and customer engagement through:

  • Intelligent supply chain indicators (shock, tilt, temperature)
  • Covert product authentication features
  • Interactive, eye-catching packaging
  • Memorable promotional products
How do you help creatives and designers ?

Our materials power innovation in:

  • Interactive art that responds to viewers and the environment
  • Product designs with dynamic colour-changing effects
  • Fashion items that shift with light and temperature
What makes Colour Changing different ?

Our team blends science, design, and decades of experience to deliver bespoke, high-performance smart materials. We're driven by innovation and collaboration, helping clients turn creative ideas into real-world impact.

Do you offer custom solutions and support ?

Absolutely. We collaborate closely with clients to develop tailored solutions, offering R&D, material sourcing, consultancy, and support from concept to installation.