As summer approaches, the Ninja Thirsti bottle is making waves with its limited-time offer, allowing savvy shoppers to snag it for as low as £4.49. Originally priced at £30 for the 530ml version and £35 for the 700ml version, the bottle is now part of a flash sale that has slashed prices significantly. The deal is further enhanced by cashback opportunities through TopCashback, where new members can earn a £15 bonus on their first purchase. The Ninja Thirsti, which debuted in 2024, features triple-layer insulation and a leak-proof design, making it ideal for both hot and cold beverages. Customers have praised the bottle for its ability to keep fizzy drinks carbonated for hours and its stylish range of colors. However, some users have noted discrepancies in the heat retention claims, with one buyer expressing disappointment that their drink did not stay hot for the advertised duration. Despite this, the overall reception has been positive, with many recommending the bottle for its durability and ease of cleaning.