Vacuum Insulated Flask 500ml/17.6oz Stainless Steel Thermo Bottle with Cup for Coffee Water Hot and Cold Drink Flasks.(Gray,Set) : Amazon.co.uk: Home & Kitchen
NatureHike 1 Litre Stainless Steel Thermos (BW60A100) – All Four Outdoors
Thermos 184093 Light and Compact Flask, Stainless Steel, 0.5 L : Amazon.co.uk: Home & Kitchen