A good helper in life: popular science of cooler bag

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The most common materials of cooler bag on the market (especially as promotional gifts by enterprises) are non-woven fabrics + aluminum film pearl cotton. Next is Oxford cloth or polyester. Generally, most of them are screen printing and color patterns. Non-woven thermal insulation bags can be covered with film or thermal transfer and offset printing. Oxford cloth or polyester insulation bags will mostly choose thermal transfer.

Wholesale Portable High Quality 420d Oxford Reusable Customized Insulated Polyester Ice Lunch Cooler Bag

Oxford cooler bag
Oxford cloth is a kind of waterproof fabric, which is widely used in shopping bags, advertising bags, gift bags, and other fields, as field of product packaging. Oxford cloth bag printing is generally screen printing, with a waterproof layer inside, which is suitable for carrying items when going out.

Lunch Tote Bag Reusable Thermal Food Cooler Bag

lunch cooler bag
It refers to the bags used for outdoor picnics or daily life, which are used to hold various foods and keep the temperature and freshness of the food. It belongs to a kind of picnic bag. The inside of the food warehouse is made of aluminum foil, which is insulated by PE cotton and has the function of keeping cold and heat.

Large Delivery Cooler Bag

Large Delivery Bag
It is mainly used for perishable products, biological preparations, and all products that need to be refrigerated and transported. It refers to the bags used for packaging documents, documents, materials, goods, etc. Also known as courier bags, mailing bags, and express packaging bags.

Picnic Grocery Cooler bag

polyester cooler bag
Polyester is a general term for polymers obtained by the polycondensation of polyols and polyacids. Contents of the cooler bag are made of high-cold, non-toxic and tasteless polymer compounds, which are crystal clear, non-toxic, non-corrosive, non-radiative, and elastic.

Non-woven cooler bag
It is a green product, tough and durable, beautiful in appearance, good in air permeability, reusable, washable, screen-printed advertisements, marks, and has a long service life. It is suitable for any company and any industry as advertising and gifts. Consumers get a beautiful non-woven bag while shopping, and merchants get the best of both worlds with invisible advertising, so non-woven fabrics are becoming more and more popular in the market.

Cooler bag wholesale suppliers tell you that the cooler bag is a bag with a constant temperature effect, which can keep cold/heat (with the effect of warm in winter and cool in summer), and the insulation layer of the product is ultra-thick insulation cotton, which provides good heat insulation effect; The product can be folded for easy portability.

Features of freezer bags
(1) Keep heat and cold
Heat preservation and cold preservation are the most basic functions of heat preservation bags. They are special bags with a short-term heat preservation effect. They can keep cold/heat preserved.
(2) Durable
To have superior impact resistance, not easy to shatter under heavy pressure or impact, and will not leave scratches.
(3) Sealing
This is the first consideration when choosing an insulation package. Although different brands of products have different sealing methods, airtightness is a necessary condition for the long-lasting freshness of stored food.
(4) Preservation
The sealing standard is evaluated by the moisture permeability test. A good thermal insulation bag is 200 times lower than the moisture permeability of similar products, which can keep things fresh for a longer time.
(5) Versatile and diverse
Designed for daily needs in different sizes, with reusable technology cooler bag, cooler bag can keep cold and heat (the ice pack can be frozen to -190°C at a minimum, and can be heated to a maximum of 200°C, and can be cut to any size)
(6) Environmental protection
Food grade environmental protection material, non-toxic, tasteless, anti-ultraviolet, not easy to change color

Precautions
(1) Do not touch open flames or cut with sharp knives.
(2) Avoid long-term exposure to rain, humidity, and sunlight, which will affect the thermal insulation effect.


Care instructions
(1) The food remaining in the heat preservation bag is prone to produce a bad odor, and the heat preservation bag must be cleaned regularly.
(2) Open the top cover, and use a soft towel or sponge dipped in warm water or neutral detergent to clean and wipe it.
(3) After using the detergent, it must be washed with clean water, and then wiped with a dry cloth.
(4) The dust on the top of the insulation bag should be removed frequently to avoid affecting the aesthetic effect.
Warm attention to cold storage bag wholesale suppliers: When cleaning the thermal insulation bag, do not directly sprinkle water on the box body or the box body, to avoid artificial damage to the bag body and penetration of the thermal insulation layer.

Knowledge related to the popular science of cold storage bag wholesale suppliers:
Issues that should be considered in frozen food packaging: There are seven aspects to be considered in frozen food packaging:
1. Packaging standards and regulations.
The second is the characteristics of frozen food and its protection conditions.
3. Performance and scope of application of packaging materials.
Fourth, food market positioning and regional conditions of circulation.
The fifth is the influence of the overall structure and material of the packaging on frozen food.
Sixth, reasonable packaging structure design and decoration design.
Seven is the packaging inspection.

Frozen food packaging should have five characteristics:
One is to have high barrier properties to prevent the contact of the product with oxygen and the volatilization of water.
The second is impact resistance and puncture resistance.
The third is low-temperature resistance, and the packaging material will not deform or crack even at a low temperature of -45 °C.
The fourth is oil resistance.
Fifth, it is hygienic, preventing the migration and penetration of toxic and harmful substances into food.

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