Amazon.co.uk Price: £29.99 (as of 10/08/2021 04:25 PST- Details) & FREE Shipping.

4 Large instant heat and reusable hand warmers / heat packs – 40% longer lasting
Click the disc and hand warmers heat up in under 20 seconds – larger 7.6 x 12.7 cm / 3 x 6 inch size
In a pocket, heat lasts up to 2.5 hours, Premium Quality – Medical Grade

Usually dispatched within 24 hours