0116 275 2330

Promotional Vacuum Flasks & Thermal Bottles

Explore our range of custom promotional flasks, ideal for branded corporate gifts and giveaways that keep your brand top of mind.

Custom Flasks UK

Branded vacuum flasks

deliver premium insulated drinkware with lasting brand presence. Temperature-retaining technology for hot and cold beverages throughout the day.

Flask Options

Vacuum Flasks

Double-wall insulation

Travel Flasks

Portable beverage containers

Food Flasks

Insulated food storage

Temperature Control

  • Hot retention - Keeps drinks warm for hours
  • Cold retention - Maintains cold beverages
  • Quality construction - Durable stainless steel
  • Premium appeal - Executive gift quality

Laser engraving and print on flask surfaces.

75 products

Promotional Vacuum Flasks & Thermal Bottles products

Custom Printed Spring 1 L copper vacuum insulated bottle

Custom Printed Spring 1 L copper vacuum insulated bottle

From £11.18

Min order: 25 units

Custom Printed Spring 500 ml RCS certified recycled stainless steel copper vacuum insulated bottle

Custom Printed Spring 500 ml RCS certified recycled stainless steel copper vacuum insulated bottle

From £7.80

Min order: 25 units

Custom Printed Stainless Steel Double Wall 425 Ml Flask

Custom Printed Stainless Steel Double Wall 425 Ml Flask

From £4.10

Min order: 50 units

Custom Printed Stainless Steel Double Wall Bamboo Cover Flask

Custom Printed Stainless Steel Double Wall Bamboo Cover Flask

From £6.79

Min order: 50 units

Custom Printed Stainless Steel Double Wall Bamboo Flask 400ml

Custom Printed Stainless Steel Double Wall Bamboo Flask 400ml

From £6.12

Min order: 50 units

Custom Printed Stainless Steel Double Wall Bamboo Flask 450ml

Custom Printed Stainless Steel Double Wall Bamboo Flask 450ml

From £8.16

Min order: 50 units

Custom Printed Stainless Steel Double Wall Flask 500 Ml

Custom Printed Stainless Steel Double Wall Flask 500 Ml

From £5.64

Min order: 50 units

Custom Printed Stainless Steel Double Wall Flask 500 Ml

Custom Printed Stainless Steel Double Wall Flask 500 Ml

From £4.32

Min order: 50 units

Custom Printed Stainless Steel Double Wall Flask 600 Ml

Custom Printed Stainless Steel Double Wall Flask 600 Ml

From £7.20

Min order: 50 units

Custom Printed Stainless Steel Double Wall Flask 600ml

Custom Printed Stainless Steel Double Wall Flask 600ml

From £12.28

Min order: 50 units

Custom Printed Stainless Steel Double Wall Flask 700ml

Custom Printed Stainless Steel Double Wall Flask 700ml

From £11.32

Min order: 50 units

Custom Printed Stainless Steel Thermos Flask 900ml

Custom Printed Stainless Steel Thermos Flask 900ml

From £8.43

Min order: 50 units

Custom Printed Stainless Steel Water Bottle With Touch Thermometer

Custom Printed Stainless Steel Water Bottle With Touch Thermometer

From £5.50

Min order: 50 units

Custom Printed Sullivan 750 ml vacuum insulated flask

Custom Printed Sullivan 750 ml vacuum insulated flask

From £7.99

Min order: 50 units

Custom Printed Vacuum flask

Custom Printed Vacuum flask

From £5.65

Min order: 25 units

Custom Printed Vacuum flask

Custom Printed Vacuum flask

From £3.88

Min order: 25 units

Custom Printed Vacuum flask

Custom Printed Vacuum flask

From £6.71

Min order: 25 units

Custom Printed Big Ocean Bottle 1000 ml vacuum insulated water bottle

Custom Printed Big Ocean Bottle 1000 ml vacuum insulated water bottle

From £31.78

Min order: 25 units

Custom Printed Cove 1 L vacuum insulated stainless steel bottle

Custom Printed Cove 1 L vacuum insulated stainless steel bottle

From £9.85

Min order: 25 units

Custom Printed Cove 500 ml RCS certified recycled stainless steel vacuum insulated bottle 

Custom Printed Cove 500 ml RCS certified recycled stainless steel vacuum insulated bottle 

+2

From £5.30

Min order: 25 units

Custom Printed Cove 500 ml sublimation vacuum insulated stainless steel bottle

Custom Printed Cove 500 ml sublimation vacuum insulated stainless steel bottle

From £5.61

Min order: 50 units

Custom Printed Cove 500 ml vacuum insulated stainless steel bottle

Custom Printed Cove 500 ml vacuum insulated stainless steel bottle

+3

From £4.61

Min order: 25 units

Custom Printed Cove 750 ml vacuum insulated stainless steel bottle

Custom Printed Cove 750 ml vacuum insulated stainless steel bottle

From £8.20

Min order: 25 units

Custom Printed Duke 500 ml copper vacuum insulated water bottle

Custom Printed Duke 500 ml copper vacuum insulated water bottle

From £3.53

Min order: 50 units

Can't find what you're looking for?

We can source and brand almost any promotional product.

Get a Quote

Why Choose Branded Flasks?

Branded flasks are premium drinkware items designed for superior temperature retention. Whether keeping coffee hot during commutes or water cold throughout hikes, quality flasks deliver genuine functionality that recipients appreciate and use daily.

For businesses wanting premium promotional drinkware, branded flasks convey quality and value. Their robust construction and effective insulation create positive impressions that reflect well on your brand.

Flasks also suit active lifestyles—outdoor adventures, travel, commuting and sport. This association with adventure and activity creates dynamic brand positioning.

The durability of quality flasks means years of daily use and ongoing brand exposure.

Benefits of Promotional Flasks

Superior performance

Quality vacuum insulation maintains temperature for 12-24 hours.

Premium positioning

Flasks suggest quality investment and attention to functionality.

Daily utility

Used for commutes, outdoor activities, travel and everyday hydration.

Durable construction

Stainless steel construction withstands years of active use.

Gift appeal

Quality flasks make impressive gifts that recipients genuinely value.

Types of Flasks Available

Vacuum flasks

Double-wall insulated bottles for maximum temperature retention.

Travel flasks

Leak-proof designs optimised for commuting and transport.

Sports flasks

Lightweight designs with easy-drink lids for active use.

Hip flasks

Classic flat designs for spirits—traditional gifting items.

Food flasks

Wide-mouth designs for hot meals and soups.

Flask Specifications

Consider insulation performance—premium flasks maintain temperature for 24+ hours. Capacity ranges from 350ml travel size to 1L+ outdoor bottles. Lid types include screw caps, flip-tops, pour-through and drinking cups. Material quality affects durability and insulation effectiveness.

Branding and Customisation Options

Flasks suit various decoration methods. Laser engraving creates elegant permanent marks on stainless steel. Screen printing delivers coloured logos. Powder coating enables full body colour customisation. Premium packaging enhances gift presentation.

Who Uses Branded Flasks?

Outdoor brands for adventure alignment. Corporate programmes for premium employee gifts. Events for VIP and speaker gifts. Travel companies for journey companions. Any brand wanting premium drinkware positioning.

Ordering Branded Flasks

Consider your audience's primary use—commuters need leak-proof designs, outdoor users require durability, gift recipients appreciate presentation.

Related products include metal bottles, travel mugs, insulated tumblers, food containers and drinkware.

At Positive Media Promotions, we supply branded flasks from budget options to premium performance designs. Contact us for samples and recommendations.

Frequently Asked Questions

How long do flasks keep drinks hot?

Quality vacuum flasks: 12-24 hours hot, 24+ hours cold depending on conditions.

What flask capacity is most popular?

500ml for daily use. 350ml for compact carry. 750ml-1L for outdoor activities.

Are flasks dishwasher safe?

Most recommend hand washing to preserve insulation and decoration.

What minimum quantities apply?

Standard flasks: 25-50 units. Premium brands: 25+ units.