Those big insulated bottles are everywhere just now, and the Ninja Thirsti is a proper good one. The 530ml size is down to £19.20 at Amazon in mint, black or white, from an RRP of £29.99. It shows as £24 to start, but tick the little voucher box just under the price and it drops to £19.20 at the checkout.
- Click here for the Ninja Thirsti 530ml in Mint @ Amazon*, or get it in Black* or White*, all £19.20 with the voucher.
The clever thing with the Thirsti is that it's made for fizzy drinks, so as well as being triple insulated (cold for a good 24 hours, or hot for around 8), it actually holds the fizz in a sparkling drink, which most bottles just can't manage. The lid is properly leak-proof so you can pop it in a bag or a gym kit without any worries, and it's dishwasher safe when it needs a clean. Sold by Amazon.
If you'd prefer a bigger one, there's a 700ml version on offer too, which we've covered here. Delivery is free for Amazon Prime members, or free on orders over £35 otherwise, with a £4.99 charge if not.
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