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The Milton Thermosteel Omega 350 ml Insulated Stainless Steel Flask Bottle is expertly engineered to deliver reliable temperature retention, exceptional durability, and dependable leakproof performance for daily life, travel, office, sports, and outdoor adventures. Built with premium Thermosteel stainless steel, this flask keeps hot beverages hot and cold beverages cold for extended periods — making it an essential companion for busy professionals, travelers, students, and fitness enthusiasts.
Designed with a sleek silver finish and sturdy construction, it is both stylish and practical. Whether you’re commuting to work, hitting the gym, or trekking outdoors, this leakproof flask delivers a powerful blend of convenience, performance, and everyday utility.
This insulated flask is ideal for:
Office professionals needing hot coffee or tea throughout the day
Students carrying beverages to campus
Travelers and backpackers who require temperature-stable drinks
Fitness enthusiasts needing cold water or protein shakes
Outdoor adventurers like hikers and campers
Anyone who wants hot/cold drink retention with compact portability
Thanks to its advanced double-walled vacuum insulation technology, this flask holds heat and cold effectively. No more lukewarm tea or warm water — enjoy your beverage at the right temperature throughout your day.
The secure leakproof cap ensures no spills in bags and backpacks — ideal for office bags, backpacks, gym kits, and car travel.
Made from premium Thermosteel stainless steel, this flask is:
Rustproof
BPA-free
Food-safe and hygienic
A perfect mix of strength and health safety.
At 350 ml, the bottle is lightweight and space-efficient, making it easy to carry in daily bags without bulk.
Suitable for:
Office
College
Travel
Trekking
Sports
Road trips
Whatever your lifestyle, this flask adapts.
The double-walled design creates a thermal barrier to prevent heat transfer. This means:
Hot liquids remain hot
Cold liquids stay chilled for longer
This feature makes the flask a strong choice for all seasons.
The precision-engineered cap ensures a 100% spill-free closure, bringing peace of mind while commuting or packing.
The 350 ml size is:
Just right for single-serve hot drinks
Ideal for daily hydration needs
Compact for easy grip
Not too big, not too small — optimized for daily use.
The premium stainless steel body ensures:
High temperature retention
Long-lasting durability
Corrosion resistance
It offers robustness without adding extra weight.
Pre-heat for Hot Drinks: Pour hot water, let sit 5–10 mins, then fill your hot beverage.
Pre-cool for Cold Drinks: Add cold water before your drink to improve cooling effects.
Pour Slowly: Use the ergonomic mouth for smooth pouring.
Secure Cap: Always tighten the cap to maintain insulation and leakproof performance.
Proper care ensures lasting performance:
Use warm water with mild detergent
Use a soft bottle brush for the interior
Automatic dishwashers may affect insulation over time.
These can damage the stainless steel surface.
Use baking soda and warm water to neutralize any lingering smells.
1 × Milton Thermosteel Omega 350 ml Flask
1 × Leakproof Screw Cap
Instruction leaflet
Everything you need to start using it right away!
Milton is a trusted Indian brand known for producing high-quality insulated products. The Thermosteel range stands out for:
Excellent temperature retention
Sleek modern design
Strong build quality
Reliable performance
Fast delivery across India
Easy replacement policy on damaged units
Customer support for queries and assistance
Best price guarantee
Verified seller promise
Dedicated customer support
India-centric shipping and returns
Easy online purchase experience
