Overview
- Ninja has a live sale on select Thirsti colours, pricing the 530ml at £19.99 and the 700ml at £24.99.
- A TopCashback sign-up bonus plus cashback can cut the 530ml to about £4.49 and the 700ml to about £9.37 before a £3.50 delivery fee.
- TopCashback says the reward tracks to the Earnings page within seven days, with the £15 bonus tied to a qualifying first purchase of £15 or more.
- Ninja claims triple-layer insulation that keeps drinks cold for 24 hours, hot for 12 hours, and ice for two days, though some buyers say hot drinks cool sooner.
- The Thirsti, launched in 2024, now comes in 11 colours and sits in the same premium insulated-bottle space as Stanley and Yeti.