Bring a splash of magic to your daily routine with the “I’m a Secret Mermaid” Heat-Change Mug, a charming novelty cup that reveals a hidden message with every hot drink. When cool, the mug displays a subtle printed design that keeps your mermaid identity safely concealed. Simply pour in a hot beverage and watch the heat-sensitive surface transform, unveiling a vibrant mermaid-themed illustration that instantly brightens your mood. Perfect for fans of mythical creatures, ocean-inspired gifts, or anyone who loves a playful surprise, this mug adds personality to morning coffees, evening teas, and everything in between. Its eye-catching colour print and fun reveal effect also make it a great conversation starter at home or in the office. Whether treated as a delightful self-purchase or gifted to a friend who adores all things whimsical, this mug delivers joy with every refill.

Designed with a 340ml capacity, this heat-change mug is crafted from durable ceramic and finished with vibrant colour printing that enhances its enchanting mermaid theme. The heat-reactive coating activates when exposed to hot liquids, allowing the hidden design to appear clearly with each use. A comfortable handle and smooth rim make it ideal for enjoying hot chocolate, coffee, tea, or any warming drink. To maintain the longevity of the colour-changing feature and print quality, handwashing is recommended, as heat-sensitive surfaces are not generally suitable for dishwashers or microwaves. Each mug arrives in themed retail packaging, making it ready to gift for birthdays, holidays, or as a fun treat for collectors of novelty drinkware. With its playful personality and magical transformation, this mug is a standout addition to any kitchen cupboard or desk.

Something not quite right? You have 28 days from the day you receive it, to send something back.

Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.

Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.

Click here to view our full Returns Policy.