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Vacuum insulation works by creating an airless gap between two walls of stainless steel, which prevents heat from transferring in or out. The result is a branded flask or bottle that keeps drinks hot for hours and cold drinks cold for even longer — without any external power. Many products in this range also feature a copper lining between the walls, which further reduces heat transfer and gives the category its name. With over 340 products including branded vacuum flasks, promotional insulated water bottles, branded travel mugs and large-capacity tumblers, this is one of the most retained and used categories in promotional drinkware. All prices are all-inclusive covering product, print, origination and carriage to one UK address. Just add VAT.
For a budget-friendly entry-level branded insulated bottle, the Athena Mid is available from £2.61 per unit. The Pilgrim Double Wall Water Bottle is a house-brand option from £9.36 per unit, while the MagSafe Water Bottle combines vacuum insulation with MagSafe wireless charging compatibility from £16.26 per unit — a truly unique proposition in the promotional drinkware market.
Vacuum insulation means the flask has two walls with an airless vacuum between them. Because there is no air, heat cannot conduct through the gap — so hot drinks stay hot and cold drinks stay cold far longer than with a standard single-wall bottle. Many products also include a copper lining which reflects heat back into the liquid, improving performance further. This is the technology behind products like the Cordle and Helsinki branded vacuum flasks, and the same technology found in premium consumer brands. In a promotional context, it means recipients actually use the product daily, which is exactly what you want from a branded giveaway.
A branded vacuum flask typically has a narrow neck and is designed to be carried in a bag or backpack, whereas a branded travel mug has a wider opening, often fits a car cup holder and is designed for drinking on the go. Both use the same double wall vacuum insulation technology. The Helsinki with its bamboo lid and carry handle is closer to a traditional flask, while the Majesty Tumbler at 890ml with straw is firmly in travel mug territory. For a broader selection of branded travel mugs see our on-the-go drinkware range.
Yes — several products use recycled stainless steel as their primary material. The Cordle and Athena are both made from 90% recycled stainless steel, and the Majesty Tumbler uses recycled SS304. The Helsinki features a bamboo lid for additional natural material appeal. For the full range of eco drinkware across all categories, see our eco and sustainable collection.
We also supply branded ceramic mugs, promotional sports and water bottles, branded collapsible cups and foldable bottles and on-the-go branded drinkware. All printed or engraved with your logo at all-inclusive prices.
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