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Keep Your Drinks at the Perfect Temperature, Anytime, Anywhere
Introducing our Stainless Steel Vacuum Flask Set — the ultimate all-in-one solution for enjoying hot or cold beverages wherever you go. Designed for both convenience and durability, this set combines a 500ml insulated flask with two detachable cups, making it perfect for personal use, sharing, or gifting.
Safe & Healthy Drinking
Crafted from food-grade 304 stainless steel, our flask set ensures your drinks stay free from harmful chemicals, odors, and aftertastes. The smooth, non-reactive interior prevents flavor transfer, so your coffee, tea, water, or soup tastes fresh every time. The exterior features a scratch-resistant matte coating, keeping the flask looking new even with daily use.
Powerful Insulation Performance
Thanks to double-wall vacuum insulation, this flask maintains the temperature of your drinks for hours. Enjoy piping hot coffee or tea in the morning, and come back to it still warm at lunch. Or fill it with ice water in the morning and sip refreshing cold water all afternoon. The vacuum layer also eliminates condensation, so your hands and bag stay dry.
Designed for Convenience
The set comes with two matching cups that double as lids for the flask. Each cup features an ergonomic handle for easy pouring and drinking, making it perfect for sharing drinks with family, friends, or colleagues. The leakproof screw-on lid ensures no spills, even when you toss the flask in your backpack or travel bag. The compact size is ideal for travel, commuting, camping, or keeping at your desk.
The Perfect Gift Choice
With its sleek, minimalist design and practical functionality, this vacuum flask set makes a thoughtful and useful gift for any occasion. Whether for corporate giveaways, holiday gifts, or birthday presents, it’s a gift that everyone can appreciate and use daily. It’s also a great option for bulk orders, with custom logo printing available for promotional purposes.
OEM/ODM Services Available
We offer comprehensive customization services to meet your needs, including logo printing, color matching, packaging design, and multi-language instruction manuals. Whether you’re a retailer, distributor, or corporate buyer, we can tailor the product to your brand and market requirements. Contact us today to discuss your bulk order!
Pre-Use Preparation
Unpack the flask and cups, then wash all parts thoroughly with warm, soapy water. Rinse and dry completely before first use.
For best insulation performance, pre-heat or pre-chill the flask: fill it with hot or cold water for 5–10 minutes, then empty before adding your beverage.
Filling the Flask
Unscrew the lid (which also serves as a drinking cup).
Pour your hot or cold beverage into the flask. Do not overfill; leave a small gap at the top to prevent spills when closing the lid.
Screw the lid on tightly to create a proper seal.
Using the Cups
The main lid and the two included cups are designed for pouring and drinking.
Pour the beverage into the cups slowly. The cups are insulated and can hold both hot and cold drinks safely.
After Use
Empty any remaining liquid from the flask and cups.
Wash all parts promptly to prevent stains or odors.
Heat Safety
The flask keeps liquids very hot. Always use caution when pouring and drinking to avoid burns.
Do not use the flask for carbonated drinks (soda, sparkling water), as pressure buildup can cause the lid to open unexpectedly or leak.
Do not use for dry ice or other extremely cold substances, as this can damage the vacuum seal.
Beverage Restrictions
This flask is designed for water, tea, coffee, and similar beverages. Do not use it for:
Dairy products (milk, yogurt) – they can spoil quickly and cause odors.
Alcoholic beverages – these can expand and affect the vacuum seal.
Thick soups or stews – they are difficult to clean and may clog the lid.
General Care
Do not drop, hit, or apply heavy impact to the flask, as this can damage the vacuum insulation.
Do not place the flask in the microwave, oven, or freezer.
Keep out of reach of young children, especially when containing hot liquids.
Daily Cleaning
Wash the flask, lid, and cups with warm water and mild dish soap after each use.
Use a soft sponge or brush to clean the inside; avoid using metal scouring pads, which can scratch the stainless steel.
Rinse all parts thoroughly and dry them completely before reassembling or storing.
Removing Stains & Odors
For stubborn odors or stains, fill the flask with a mixture of warm water and baking soda (or white vinegar). Let it sit for a few hours, then scrub gently and rinse thoroughly.
Storage
Store the flask with the lid removed to allow air circulation and prevent musty odors.
Keep in a cool, dry place, away from direct sunlight.