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Dispatch from Melbourne, Victoria. Next working day.
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The Bladder
The heart of every Hottie is its bladder — and we did not settle for average.
We rejected the common rubber bottles used across the market due to odor, material breakdown over time, and potential safety concerns when compromised. Instead, we carried out a global search for a better solution and sourced a premium thermoplastic bladder from Germany, built to a far higher engineering and safety standard.
Each bladder is pressure tested, fully odorless, and recyclable. It is manufactured using advanced thermoplastic technology and designed to maintain structural integrity and performance across repeated use. The result is a cleaner, safer, and more reliable heat core that matches the quality of the Hottie exterior.
This is not a generic replacement insert. It is a purpose-selected, high-spec component chosen because nothing else met our benchmark for safety, durability, and performance.
Manufactured to British Standard BS 1970:2012.
What started as a mission to help one, became a comfort for thousands.