CMT Stainless Steel Insulated Flask With Carabiner - 500ml

Stainless steel insulated flask

Stainless steel insulated flask built for daily use across construction sites, transport, and outdoor environments. Designed to maintain drink temperature throughout a full shift, with a secure seal and integrated carabiner for easy attachment to belts, bags, or kit.

Why choose the stainless steel insulated flask

• Double-wall insulation: Maintains temperature for extended periods during long working shifts
• Leak-proof lid design: Prevents fluid loss when stored in bags or carried on-site
• Integrated carabiner clip: Enables hands-free carrying and quick access during work
• Durable stainless steel body: Resistant to impact and suitable for demanding environments
• 500ml capacity: Balanced size for portability without sacrificing hydration needs
• Temperature retention performance: Keeps drinks cold for 24 hours or hot for 12 hours

What's included

• 1 x 500ml stainless steel insulated flask
• Integrated lid with attached carabiner clip

 Specifications

Compatibility

Who is this for?

Designed for construction workers, engineers, and site teams who require reliable hydration throughout the working day. Suitable for outdoor environments, transport roles, and professionals working long shifts.

Typical applications

• Keeping water cold on construction sites
• Carrying hot drinks during early or winter shifts
• Attaching hydration to tool belts or backpacks
• Use in transport, logistics, and outdoor roles
• Daily office or site hydration
• Long-duration travel or site work

How to use

1. Fill the flask with hot or cold liquid as required
2. Secure the lid tightly to ensure a leak-proof seal
3. Attach the carabiner to a belt, bag, or clothing if needed
4. Open and consume as required throughout the day
5. Empty and clean after use

Safety

Do not overfill when using hot liquids to prevent pressure build-up. Take care when opening after storing hot drinks. Ensure lid is securely tightened before transport.

Frequently Asked Questions

Q: How long does the flask keep drinks hot or cold?
A: The flask keeps drinks cold for up to 24 hours and hot for up to 12 hours, depending on conditions and initial liquid temperature.

Q: Is the flask completely leak-proof?
A: Yes, it features a secure leak-proof lid designed to prevent spills during transport or when attached to equipment.

Q: Can it be used on construction sites?
A: Yes, it is designed for site environments, with a durable stainless steel body and carabiner for easy carrying.

Q: What is the benefit of the carabiner clip?
A: The carabiner allows you to attach the flask to a belt, bag, or kit, keeping your hands free while working.

Q: Can I use it for both hot and cold drinks?
A: Yes, it is suitable for both, maintaining temperature for extended periods.

Q: Is 500ml enough for a full shift?
A: It provides a practical balance between portability and capacity, though some users may refill depending on duration and conditions.

Q: Can it be used for fizzy drinks?
A: It is not recommended for carbonated drinks due to pressure build-up.

Q: How should the flask be cleaned?
A: It should be hand washed with warm water and mild detergent and allowed to dry thoroughly before reuse.

Q: Why buy an insulated flask from CMT Group?
A: CMT Group supplies site equipment across the UK with next working day delivery available on most orders. With a dedicated fleet covering 90% of the UK and live tracking, you get reliable delivery for site operations.