A Pioneer 1 Litre Stainless Steel Vacuum Flask by I. Grunwerg Ltd

A 1-litre capacity vacuum flask produced by the brand Pioneer and manufactured by I. Grunwerg Ltd of Sheffield, England. The vessel features a double-walled, unbreakable stainless steel construction designed for thermal insulation of both hot and cold beverages. It is equipped with a black plastic leakproof stopper featuring a white push-button mechanism and a stainless steel outer lid that functions as a drinking cup. The item is presented in its original grey cardboard retail packaging which provides manufacturer details, the company website, and performance specifications including a thermal retention rating of up to eight hours. The flask is contained within its original protective internal plastic wrapping. Printed care instructions specify that the product is hand wash only and not dishwasher safe.

Capacity: 1 Litre.