Thermos Brand Stainless Steel Vacuum Insulated Bottle JNI Series (400mL) (Asian Market Import) by Thermos (Matte Black) Price: £34.99 (as of 01/08/2021 13:30 PST- Details)

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Ultra Light Weight and compact, easy for carrying in a backpack, lunch bag or purse.
Vacuum insulation construction for maximum temperature retention, hot or cold