Genuine Thermos Products & Spare Parts

Flasks Online stock a huge range of Thermos flasks, Thermos Food Flasks, Thermos Travel Mugs and Thermos Drinks Bottles. We are the only retailer of Thermos Spare Parts in the UK.  If you buy a Thermos Replacement Part you will receive automatically a 10% discount off any other Thermos Product on the same order in the shopping basket.

If you considering a new Thermos read our guides

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207 products

207 products

Thermos Stainless King Travel Mug Drinklock
£7.95
FREE UK Delivery
Thermos Stainless King Food Flask Stopper with Spoon
£7.95
FREE UK Delivery
Thermos Stainless King and Work Flask Stopper to fit 1.2L
£6.50
FREE UK Delivery
Thermos Glass Lined Flask Stopper, will fit all sizes
£5.95
FREE UK Delivery
Thermos Thermocafe Flask Stopper 1.0l
£5.95
FREE UK Delivery
Thermos Stainless King Food Flask Spoon
£4.95
FREE UK Delivery
Thermos Light and Compact Stopper to fit all sizes
£7.50
FREE UK Delivery
Out of stock
Thermos Thermocafe Flask Stopper to fit 0.35 & 0.5L
£5.95
FREE UK Delivery
Out of stock
Thermos Ultimate 2 Part Stopper Fits 0.5 & 0.9L
£6.95
FREE UK Delivery
Thermos Stainless King Flask Cup to fit 1.2L
£6.95
FREE UK Delivery
Thermos Stainless King 0.47L and Hercules 1.0L Stopper
£6.50
FREE UK Delivery
Thermos Everyday Flask Push Button Stopper to fit 1.0L
£5.95
FREE UK Delivery
Thermos Stainless King Flask 0.47L
£19.95
FREE UK Delivery
Thermos Stainless Steel Replacement Spork
£4.95
FREE UK Delivery
Thermos Ultimate Range Flask 0.5L
£30.95
FREE UK Delivery
Thermos Funtainer Mouthpiece
£5.95
FREE UK Delivery
Thermos Light and Compact Flask Cup to fit 0.35 & 0.5L
£6.95
FREE UK Delivery
Thermos Stainless King Flask Cup to fit 0.47L
£6.95
FREE UK Delivery
Thermos Mondial Glass Lined Flask 1.0L
£14.95
FREE UK Delivery
Thermos Ultimate Range Flask 0.9L
£34.95
FREE UK Delivery
Thermos Stainless King Flask 1.2L
£26.95
FREE UK Delivery
Thermos Direct Drink Flask 0.47L Pack of 2
£35.00
FREE UK Delivery
Choose from multiple colours
Thermos Direct Drink Flask 0.47L
£19.50
FREE UK Delivery
Thermos Stainless King Food Flask 0.47L
£21.95
FREE UK Delivery
Thermos Light and Compact Flask Cup to fit 1.0L
£6.95
FREE UK Delivery
Thermos Stainless King Travel Mug 0.47L
£25.95
FREE UK Delivery
Thermos Light and Compact Flask 0.5L
£17.95
FREE UK Delivery
Thermos Super Light Travel Tumbler 0.35L
£19.95
FREE UK Delivery
Out of stock
Thermos Stainless King Tumbler 0.47L
£23.95
FREE UK Delivery
Thermocafe Stainless Steel Flask 0.35L
£10.95
FREE UK Delivery
Thermos Light and Compact Flask 0.35L
£15.95
FREE UK Delivery
Thermos Stainless King Food Flask Lid.
£6.95
FREE UK Delivery
Thermocafe Stainless Steel Flask 1.0L
£13.95
FREE UK Delivery
Thermos Work Flask Cup
£6.95
FREE UK Delivery
Thermos Stainless King Food Flask 0.71L
£24.95
FREE UK Delivery
Thermos Ultimate Flask Cup to fit 0.9L
£6.95
FREE UK Delivery
Thermos Super Light Direct Drink Flask 0.47L
£24.95
FREE UK Delivery
Thermos Light & Compact Flask 1.0L
£20.95
FREE UK Delivery
Thermos Stainless King™ Travel Mugs 0.47L Pack of 2
£45.90
FREE UK Delivery
Choose from multiple colours
Thermocafe Stainless Steel Flask 0.5L
£11.95
FREE UK Delivery