Coffee bag with air valve is a kind of bag designed for storing coffee beans, with one-way exhaust valve function, can effectively lock the freshness of coffee. ‌

Product characteristics
‌ one-way exhaust valve ‌ : This design makes the gas can only be discharged one-way, can not enter, so as to prevent the coffee beans from moisture and oxidation, maintain its freshness and aroma ‌
‌ eight-side seal design ‌ : The bag adopts the eight-side seal design, which is not only stable, but also can effectively isolate the air to ensure the best preservation of the coffee beans ‌
‌ moisture and anti-oxidation ‌ : The eight-sided sealing bag with air valve can effectively prevent moisture and oxidation and extend the shelf life of coffee beans ‌.
‌ 

Food aluminum foil packaging bag has the following benefits:

Excellent barrier properties: aluminum foil packaging bags have excellent barrier properties, which can effectively isolate the invasion of external factors such as oxygen, moisture, and bacteria, and maintain the freshness and quality of food. Especially for easily oxidized foods, such as coffee, chocolate, etc., aluminum foil packaging bags can extend its shelf life .
 

Barrier performance improvement: the composite of matte film, aluminum plating and PE can synthesize the barrier performance of the three. The aluminized layer can effectively block the penetration of light, ultraviolet rays and gases, and the matte film can further enhance this blocking effect, while PE can prevent the penetration of substances such as moisture, thereby extending the shelf life of the packaged item. For example, for some drugs or foods that are sensitive to light and oxygen, this composite film can provide better protection.
Both appearance and practicality: the matte effect brought by the matte film makes the appearance of the package more textured and improves the grade of the product. The metallic luster of the aluminized layer increases the visual appeal of the package, while the utility of PE ensures the flexibility and durability of the package during use. 

Non-toxic and tasteless: pure aluminum packaging bag, non-toxic and tasteless. Frozen, dark, good sealing, not easy to split air leakage, play a very good anti-purification, extended shelf life and other infections.

Wide range of application: pure aluminum packaging bags especially in tea, coffee packaging has a very high advantage. The reverse ability is strong and the isolation function is good, airtight and water vapor. Multi high temperature compliance. At high temperature or high temperature, the character is stable, the light shielding is strong, and the box is excellent.

Protect food quality: The excellent barrier properties of aluminum foil packaging bags can effectively protect food from external factors, extend the shelf life of food, and ensure the freshness and quality of food.

Enhance product Image: Aluminum foil packaging bags can be printed and designed to achieve personalized and exquisite packaging, and enhance product image and market competitiveness.

Kraft paper bags have the advantages of environmental protection, strength and durability, waterproofness, recyclability, printing performance, processing performance, shading and heat insulation and personalized embodiment.
 

Environmental protection: Kraft paper bags non-toxic, tasteless, non-polluting, in line with national environmental standards. It has the characteristics of high strength and high environmental protection, and is one of the most popular environmental protection packaging materials in the world.

Strength and durability: Kraft paper bags have high strength and durability, and can withstand greater tension and pressure. This makes it an ideal choice for packaging materials that can protect items from damage.

Waterproof: The Kraft paper bag has a certain degree of waterproofness and can prevent moisture penetration to a certain extent. This makes it advantageous for outdoor use or in environments that require protection from moisture.

Food Grade Flat Bottom Roast Bean Zipper Pouch Custom Printed Kraft Paper Coffee Packaging Bag with Valve

Custom flat bottom doypack kraft paper bags kraft paper bag ziplock stand up pouch

Brown Paper Bags Flat Bottom Kraft Paper Bag for Snack Food Packaging

Custom side gusset flat bottom custom printed drip coffee bean packaging coffee bag with valve

Food Grade Customized Printing Packaging Flat Bottom Side Gusset Reusable Matt Coffee Bags

Custom Aluminum Foil Flat Bottom Zipper Coffee Packaging Bag With Valve

Custom logo flat bottom box pouches for coffee packaging, resealable box pouch coffee bag with valve

Plastic stand up aluminum foil coffee bag side gusset flat bottom custom printed drip coffee bag gusseted bags

Matte printing square bottom 250g 500g 1kg coffee pouches zipper aluminum foil flat bottom bags with valve

Custom foil mylar side gusset flat bottom packing coffee pouch with valve

Resealable Ziplock Frosted Matte Plastic Flat Bottom Packaging Pouch Zipper Bag

Food Grade 1kg 2kg 5kg Whey Protein Powder Packaging Flat Bottom Ziplock Plastic Bags

Food Grade Custom Printed matte aluminum foil vacuum food mylar bag side gusset tea pouch

Kraft paper food grade Side gusset coffee tea pouch packaging bags with tear notch

Food Grade Slimming Packaging Bag Kraft Paper Green Tea Coffee Side Gusset Pouch

food packaging back middle sealing pouch

side gusset aluminum foil green tea packaging bag with easy tear notch

free sample custom printed side gusset aluminum foil lined food packaging bags

Custom Printed Middle Sealing Bag Tea Leaves Packaging Bags Foil Pouch

Custom printed aluminum foil mylar side gusset food grade packaging bag pouch

custom printed sachet coffee tea packaging pouch coffee bag