As the mercury plummets, Brits are struggling to battle the chilly temperatures – but a £14.99 accessory has been hailed as a miracle solution.

Amazon is selling bizarre heated foot warmers, which feature a mini hot water bottle complete with a pouch for your feet.

Produced by Luton-based Amazing Health Ltd, the £14.99 bestselling product has won rave reviews from customers using it for pamper sessions and cold nights.

The product description explains how the water-filled pouch heats in just minutes but stays warm for hours.

It says: ‘A cosy fleece foot pouch with the warmth of a hot water bottle. The hot water bottle foot warmer retains all the simplicity and effectiveness of a hot water bottle. 

‘The hot bottle is inserted into the attractive and practical foot pouch which is big enough to envelop both feet in gentle warmth and comfort. 

‘Heats in minutes. Stays warm for a couple of hours. Useful throughout the day and night. Great for cold days or as a gift for loved ones.’

Plenty of users love the feet warmers, saying they’re ‘perfect’ for people with poor circulation.

Sanjit Samaddar wrote: ‘I have struggled with bad circulation and icy feet for a long time. Thick socks and other things did not do the trick.’

‘This product solved my cold feet problem in a matter of minutes! Extremely soft and comfortable and very easy to use. I would definitely recommend this for anyone who struggles to keep their feet warm in the winter.’ 

One customer said: ‘Love this product. Brought this for my daughter who suffers with raynards its perfects.’

Another user added: ‘Absolutely love this. Easy to use and much more efficient than the electrical foot warmers. The ultimate in comfort for those pamper sessions / dark nights.’