About Your Custom Heat Changing Mug
Magic heat changing mugs come with either a navy blue or black base colour that covers your design. Only when filled with hot water will your image be revealed, so when it's not in use your mug will appear either blue or black. When you're designing your custom heat change mug, view your creation as both hot & cold to get a clear idea of how it'll look aesthetically in its different forms. Made from solid white ceramic, they are durable, contemporary mugs.
At a glance
Special photo reveal
2 colour choices
Chunky style mug
Made from ceramic
1 year guarantee
Heat Change Mug Size
9.5 cm x 8 cm
200 g approx
Handmade in UK
How your Colour Changing Mugs are Printed & Made
We print your bespoke designs onto a special layer that reacts to heat, changing from the base colour to white when filled with your hot drink of choice. Only the body of the mug has this layer, so your handle remains blue or black. We package them up in their cold state so all you will see is either black or blue when it first arrives, ideal if you're creating one for a surprise. As the heat sensitive mug is activated, the reveal starts at the bottom and the base colour magically starts to vanish. Please note that the blue or black base colour isn't completely opaque, and the outline of your design might come through slightly, more so if you select blue.
Please do not put in the dishwasher. Clean by hand using mild soapy water to help preserve the life of the print and prevent chipping.
Your unique design wraps around the body of the mug, only leaving a small gap when it reaches the handle. We don't print on the handle as this could distort your beautiful design. The full height is covered leaving almost no white space at the top or bottom of your mug. A clever idea would be to print a secret message with the first word placed at the bottom, that way the sentence can be read as the heat sensitive mug works its magic.
As the outline can be seen slightly, we'd suggest opting for designs that feature lighter, more subtle colours. However, it's only slightly visible and the effect isn't diminished because of this.
If you're in the wedding business, the custom heat change mug is a fun addition to your product range, as they can be used for proposals, maid of honour requests or hen party reveals. Simply create UK colour changing mugs with various slogans and quotes and add them to your range. You can also use them for hospitality as they'd be a popular talking point among guests. Print a special greeting to guests welcoming them to the event, or use them creatively for a competition whereby only one mug has the winning symbol.
Reviews for Heat Change Mugs
based on 7 customer reviews
Quality of the product is superb, the images (which were professionally taken) look excellent on the mug. The design process was quick and easy. Delivery was fast and Contrado emailed me during key stages of the process. So good I've already made some more orders with them :)
I was really happy with my order.
I bought a heat sensitive mug for a secret santa. Speed of service and the staff were amazing however I was a bit disappointed the message which was supposed to appear once the mug is hot could also be easily seen while it is cold.
Photo on the mug is perfect every detail stands out when photo appears when hot liquid is in the mug.
Very happy and will definitely be purchasing again thank you
The finish on this mug is lovely - definitely much better than cheaper options out there. You cannot see the design at all when the mug is cold (some of them peek through on products not produced by this company). It has a lovely matte finish when cold too, looks like a really smart, plain, mug.
When hot water is added the picture is clear and crisp and really lovely! It was a perfect gift for the resident goth in your life!
The product is fine. Is a heated mug.. can see through when it is cold... but it only see through under light.
I like the service. The shipping service only takes 2 days after payment. Is fast, efficient and reliable.
I am very happy with this service; I did not expect the design would be seen even before adding a hot beverage. That was a bit of a bummer, but that is okay.
How does this product enhance my...
With the custom heat changing mug you get 2 in 1. When the mugs are cold, your kitchen cupboards are neat, tidy and uniform, but when you use them, all the family can experience a different design. Sometimes, certain mugs get overused and others are underused, but as these all look the same when cold, you don't know what you'll get.
Create a buzz at your business event with heat sensitive mugs. As delegates sip their tea or coffee, they'll be greeted with a special message from your company. If the nature of your business involves revealing something new, like a hair salon, bridal boutique or gym, these mugs are a clever, but subtle nod towards experiencing a transformation of some sort.
These heat changing mugs leave everything to the imagination, perfect if you're an artist who likes to provoke thought and opinion. Have your paintings, drawings or conceptual art printed onto these mugs for a novel way to sell your art. Not everything is what is seems with heat activated mugs, and you can create some real drama when presenting them.
Frequently asked questions:
How do heat sensitive mugs work?
We print your design onto a special layer that reacts when hot liquid is poured in. Once activated, it slowly disappears revealing your design.
Is my design totally concealed?
You choose from either a blue or black base tone. Your design is slightly visible under both colours, but less so with the black base.
Can I print on the handles too?
The heat activation only occurs on the body of the mug, so your handles will remain either blue or black, depending on the selected base colour.
Browse Designer Heat Changing Mugs
Our #ContradoCreative artists have designed their own collections of heat changing mugs, printed with their original artwork. Browse through and uncover more heat change magic.
What's the best resolution to print in?
We print at 200dpi, which is a good combination of quality and file weight. Ideally, your image should be scaled to 100% at 200dpi, this means that no resizing of your file occurs stopping any interpolation.
Should I save my file as a TIFF or JPEG?
For multi-coloured or very detailed files we recommend using a tiff format, but they must be flattened. For simple colours and low detail files, a jpeg is fine.
Which colour model should I choose? RGB or CMYK?
We advise providing images in the RGB colour space. Specifically using the sRGB image profile, to achieve best colour results. What does this mean? In your editing software choose RGB as the working space, and assign the image profile as sRGB (full name sRGB IEC61966-2.1)
What does GSM mean?
Grams per Square Meter (GSM) is an international standard for measuring the weight of paper or fabric. GSM uses the weight of a square meter (1000 x 1000mm) as an indication of the weight and thickness of a given fabric. We class 20-100gsm as light (summer fabrics, gauzes and fine silks), 101-249 gsm as medium (most clothing fabrics) and 250+ gsm as heavy (upholstery fabrics, and other specialist fabrics).
What are the bleed areas?
When designing your product, it’s best to make sure that your image is slightly larger than needed. In printing, the extra printed image is referred to as a “Bleed Area” or margin, and it is removed from the finished piece. A bleed area acts as a buffer for slight inconsistencies in the manufacturing process. however, it’s important to fill your bleed areas completely, or you may end up with white, unprinted strips along the edge of your finished product.
Do you print on garments a customer supplies?
Unfortunately not. All our garments are printed on flat fabric and sewn into finished products, which gives a better, finished result and all-over print. We test meticulously so that we know what gets the best results on our fabrics, and our facilities cater perfectly to them. We do however print sublimation paper to order, so if you have access to a heat press you can press your fabrics or flat garments easily.
Can you Align a Pattern or design across panels of a garment?
We always strive for the greatest accuracy when printing and constructing your garments. However, due to unavoidable stretch or movement of the fabric during the stitching process, we cannot guarantee perfect pattern registration across garment seams. We are generally accurate within 2-3mm, which Is close enough for most patterns but may show slight issues with detailed geometric patterns.
Can I print my own Labels?
Most of our garments now come with printable label space for you to add your own company information and branding! If you would like to sew in your own labels, we also offer Printed Fabric Labels here.
How is your fabric printing eco-friendly?
With environmental consciousness in mind, our fabrics are all printed using completely water-based inks. This means no chemicals or solvents are used. Our heat fixing procedure fixes the colours and prints, avoiding the downsides of steaming, such as excess or contaminated water returning into the waste system. We have one facility in London where we conduct all the printing, production and fulfillment.
Please note: As everything we provide is handmade to order, all measurements may vary slightly.
Delivery time & Costs
We handmake your item on site, which takes on average 1-3 days. Please check individual production times which are displayed next to the item price on the product page, as this varies from product to product. In rare cases when we need to re-print an item, this may take an additional 1-2 days.
After your item has been manufactured, we ship your order via your chosen method. Please add on the production time to the delivery time to calculate when your order will be with you. Select your delivery method in your basket.
We have a range of trusted shipping options:
- Royal Mail 1st Class Standard (no tracking) - 1-5 working days on average (please note that this can take up to 15 working days in exceptional circumstances).
- Royal Mail 1st Class Recorded (no tracking) - Usually delivered the next working day. It is not a guaranteed next day service, or a tracked service. A signature is required. (Please note that this can take up to 15 working days in exceptional circumstances).
- Special Delivery - Delivered the next working day
- Saturday Delivery (deliver only on Sat)
- Collection from our London Office (between 4-6pm on working days only)
- For international orders or large/bulky packages within the UK, we ship via DHL or Fedex services. This takes on average 2-5 working days.
You can then enjoy or resell your hand-made products with your very own designs.
You can also read more about our terms & conditions and refund policy.
Make use of our Manufacturing and Worldwide Shipping Experience
At Contrado, every product is handmade on site to ensure the highest quality. We provide a dedicated production service as well as a range of fast delivery options. For the past 14 years, we have printed and hand-made countless personalised products for a wide range of customers all over the world and many of them have become loyal customers who love not only our products but also the care, knowledge and dedication from our staff.
Produced and ready to ship within 1-3 days on average.
A speedy Special Delivery service is available where your item will delivered within one working day, after it has been manufactured.
Low shipping fees
- We print and make everything in-house. Production times are dependent on the product.
Express shipping available
- From £1.25 to ship within the UK.
- A speedy Special Delivery service is available where your item will delivered within one working day, after it has been manufactured.