This National Trust thermal mug is double walled, with a thermally-induced vacuum (TIV) which keeps drinks hot for 4 hours and cold for 8 hours.

Made from high quality food-grade stainless steel and copper coated for greater heat retention. The lid incorporates a pressure chamber to ensure easy opening as the temperature of your beverage changes – but is also handy for storing a tea bag if required!

300ml capacity

SKU: 50036039
Colour: Silver
Size: 300ml
Caution: Do not microwave. Do not place in dishwasher.
Dimensions: H16.4 x W7 x D7cm
Weight Details: 262g
Material: High quality food-grade stainless steel, Polypropylene lid.

Care instructions

Surface wash only with warm soapy water.


Sorry, there are no reviews.

Thanks to your support we're able to protect special places for everyone, for ever.


Please note, we are currently only able to deliver to UK addresses, including Northern Ireland and British Isles of Jersey and Guernsey.

Free delivery on orders over £50

Standard UK delivery: £4.95 (3-5 days)

Express UK delivery: £6.95 (1-2 days)


We hope you will be delighted with your purchase but if you change your mind, you can return your order in its original condition, with proof of purchase, to our online customer service centre and we will exchange or refund your order.

Please note that customers are responsible for the cost of returning the item/s, unless incorrect or faulty.

For more information, please see our delivery and returns page.