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Reusable water bottles have become a part of daily routines, whether it’s for the office, the gym, or simply making sure you’re drinking enough throughout the day. They’re also a great, environmentally friendly alternative to grab-and-go plastic water bottles. One make of reusable bottle that’s caught my attention recently is the Ninja Thirsti travel bottle, as it is on sale in both the small and large sizes. The smaller 530ml bottle currently costs £24.99 (down from £29.99) on the Ninja website. The brand has also reduced the price of the 700ml version to £29.99, down from £34.99.
The bottle comes in five colours, including a soft mint green that is my personal favourite. Its slim design, dishwasher-safe build, and lid, which is said to be “leak-proof,” allow it to slip easily into a bag without the worry of spills.
Ninja says the Thirsti uses three layers of insulation, which can keep drinks hot or cold for longer. According to Ninja’s description, it can keep water chilled for up to 24 hours and hot drinks warm for around eight. It’s also been marketed as a bottle that helps soda, pop, and other effervescent drinks hold their fizz for longer, something that sets it apart from many rivals.
That performance has made it a regular bestseller during sales and big shopping events, with some shoppers saying it competes with trend-led brands like Stanley and Yeti. Reviews on Ninja’s website currently give the bottle an average score of 4.6 stars out of five based on almost 2,000 reviews. Most people highlight how well it retains temperature, as well as the sturdy feel and the convenience of being able to put it in the dishwasher.

