Skip to product information
1 of 1

Water-Activated Hydrochromic Film Sheet

Water-Activated Hydrochromic Film Sheet

Regular price £8.40 GBP
Regular price Sale price £8.40 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.
  • International Shipping
  • Free UK Shipping on Orders Over £50
  • Over 10K Happy Customers

Description

Hydrochromic Film: Where Imagination Meets Innovation

Unleash the Magic of Water-Revealed Wonders

Imagine a world where colours appear with a splash, messages unveil with a sprinkle, and art comes alive with the touch of water. This is the captivating power of hydrochromic film, a revolutionary material that transforms ordinary surfaces into interactive experiences.

What is Hydrochromic Film?

Hydrochromic film is a thin, adhesive-backed sheet that reacts to water. When dry, it appears opaque white, effectively concealing any design beneath it. But with a touch of moisture, the film becomes translucent, revealing the hidden colours, images, or text. This mesmerising transformation opens up a world of creative possibilities, limited only by your imagination.

Explore the Endless Applications

  • Interactive Art & Design:
    • Captivating Wall Murals: Transform any wall into a dynamic canvas that changes with a splash of water.
    • Hidden Message Artwork: Conceal secret messages, quotes, or images within seemingly blank artwork.
    • Interactive Children's Decor: Create engaging spaces with playful designs that appear when wet.
    • Unique Invitations & Cards: Design invitations that reveal hidden details when exposed to water.
  • Education & Learning:
    • Engaging Science Experiments: Demonstrate the principles of chemistry and material science in a fun, interactive way.
    • Interactive Learning Materials: Create flashcards, puzzles, and games that reveal answers when wet.
    • Visual Aids for Teaching: Use hydrochromic film to illustrate concepts like the water cycle or plant growth.
  • Promotional & Marketing Materials:
    • Unforgettable Promotional Products: Design attention-grabbing coasters, stickers, and packaging that surprise and delight.
    • Interactive Advertisements: Create eye-catching displays that engage viewers with water-activated reveals.
    • Unique Business Cards: Make a lasting impression with business cards that reveal hidden information when wet.
  • Practical Applications:
    • Moisture Indicators: Use hydrochromic film to detect leaks, condensation, or excessive humidity.
    • Liquid Level Sensors: Create visual indicators for water tanks, bottles, or other containers.
    • Safety Applications: Develop warning labels or signs that become visible when wet, alerting to potential hazards.

Key Features & Benefits:

  • Effortless Application: Simply peel and stick to a variety of surfaces like paper, glass, plastic, and metal.
  • Durable & Flexible: Our high-quality hydrochromic film is designed to withstand regular use.
  • Customisable Solutions: Choose from a range of standard sizes or request custom cuts and shapes to fit your needs.
  • Environmentally Conscious: We prioritise sustainable practices and use biodegradable packaging whenever possible.

Ready to Transform Your Ideas?

Dive into the world of hydrochromic magic and unlock a universe of creative possibilities.

Shop Now and Unleash Your Creativity! 

Need Assistance? Please contact us for: 

  • Technical Data Sheet (TDS) 
  • Material Safety Data Sheet (MSDS)

Contact Us

Our dedicated team is here to help you with any questions, bulk orders, or custom requests.

Let's make something amazing together!

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!

View full details


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.