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This 500ml stainless steel thermos flask is designed to keep drinks hot or cold for extended periods, making it ideal for camping, hiking, commuting, and everyday use. With a vacuum insulated double-wall construction and a leak-resistant pouring system, it offers reliable performance in outdoor and travel settings. The set includes two additional cups, making it practical for sharing on the go. Active Peaks ensures durability, comfort, and convenience in one compact design.
Key Features
- Double-wall vacuum insulation helps maintain hot and cold drink temperatures
- Includes two extra cups alongside the main flask lid for easy sharing
- Leak-resistant push-button pouring system reduces spills and heat loss
- Stainless steel build is durable, hygienic, and resistant to rust or odours
- Compact 500ml size fits most rucksack side pockets and car cup holders
- Reinforced base protects against knocks and outdoor use
- Comfortable to hold, with no condensation on cold drinks
Specifications
Capacity | 500 ml |
Materials | 201 & 304 stainless steel with insulated cups |
Insulation | Cold up to 24 hours, hot up to 12 hours (usage dependent) |
Weight | Approx. 800 g including packaging |
Dimensions | 25 x 14 x 7 cm (packaged) |
A reliable choice for outdoor enthusiasts seeking comfort and durability.

FAQ
Find quick answers to questions about shipping, returns, and our service.
Do you offer free shipping?
Yes! We offer free standard shipping on all orders - no minimum purchase required.
Shipping is limited to addresses within the UK only.
Can I return my order if I change my mind?
Yes, you can return your order within 30 days of receiving it as long as the item is unused, undamaged, and in its original packaging. Please note that customised or hygiene-related items can only be returned if they are faulty or damaged upon arrival.
How can I contact Active Peaks customer service?
At Active Peaks, we offer several easy ways to get in touch with our customer service team.
Email: support@activepeaks.co.uk
Contact Form: Click here
Our team is available Monday to Friday from 9:00 AM to 6:00 PM, and we usually respond to all inquiries within 24 hours on business days.