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  1. Home
  2. FAQs

Can bacteria grow in a thermos?

February 25th, 2025|Category Food Container|

Yes, bacteria can grow in a thermos if food is not stored properly. Most bacteria grow rapidly between 4°C

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How long can food stay in an insulated container?

February 25th, 2025|Category Food Container|

The length of time food stays safe in an insulated container depends on two things: the container’s quality and

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What is the best insulator to keep food cold?

February 25th, 2025|Category Food Container|

Double-walled vacuum insulation is the most effective. This type of insulation creates a barrier between the inner and outer walls

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What is the best stainless steel for food containers?

February 25th, 2025|Category Food Container|

The best stainless steel for food containers is typically SS304 (18/8). Known for its corrosion resistance, durability, and food-grade safety,

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Are vacuum food containers worth it?

February 25th, 2025|Category Food Container|

Vacuum food containers can be a worthwhile investment depending on individual needs and usage patterns. Here's a structured evaluation:

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What is the best insulated can cooler?

February 12th, 2025|Category Can Cooler|

The best-insulated can cooler is typically a double-walled stainless steel can cooler. These coolers are designed with a vacuum-sealed layer between two

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Do koozies actually keep drinks cold?

February 12th, 2025|Category Can Cooler|

Absolutely! Koozies work by insulating your drink, slowing down the rate at which it warms up. While they won’t

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Can you put koozies in the dishwasher?

February 12th, 2025|Category Can Cooler|

It depends on the material. Neoprene and foam koozies should typically be hand-washed to prevent damage, while stainless steel koozies are

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What is the best material for a koozie?

February 12th, 2025|Category Can Cooler|

The best material for a koozie is typically stainless steel with a vacuum-insulated layer, as it offers the longest

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Do can coolers really work?

February 12th, 2025|Category Can Cooler|

Yes, can coolers really work! They slow down heat transfer by insulating your drink from the surrounding environment. While

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ABOUT US
KingStar designs, manufactures and exports custom stainless steel water bottles / flasks / tumblers / cups / mugs / food containers. We are a leading vacuum insulated water bottle OEM manufacturer factory with R&D and Engineering support from design to quality, from tooling development to final shipment for global customers.
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No.734, Qinghu Road,
Qingpu District, Shanghai, China
Phone: 0086 21 6922 0600
Email: sales@waterbottle.tech
Website: www.waterbottle.tech

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