Snack Bag mango packaging Heat Seal bag

I. Common Bag Types and Characteristics
Three-sided sealed bag
Structural features: Heat-sealed on both sides and the bottom, open at the top, and flat in shape.
Core advantages: low cost, high production efficiency, and easy to stack and transport.
Applicable scenarios: It is suitable for lightweight packaging of solid foods (such as biscuits, nuts, candies). It should be noted that its sealing property is relatively weak and it is not suitable for high-oil or easily oxidized foods
2. Four-sided sealed bags
Structural features: Heat-sealed on all four sides, open at the top, and strong three-dimensional effect.
Core advantages: Enhance stress resistance and improve brand recognition.
Suitable scenarios: High-end snacks, gift packaging or products that require special access methods (such as liquid pouring with a spout bag)
3. Stand-up bag (vertical bag)
Structure: It can stand at the bottom and is often equipped with a zipper or a suction nozzle.
Features: Prominent shelf display, easy to open and close multiple times, suitable for liquids/semi-fluids.
Applicable products: Condiments, jelly, liquid beverages, wet pet food.
4. Back-sealed bag (middle-sealed bag)
Structure: The middle seam on the back is heat-sealed, and the front is a complete plane.
Features: Large printing area, strong visual impact, suitable for brand promotion.
Applicable products: coffee beans, high-end snacks, gift foods, coarse grains, etc.
5. Eight-sided sealed bag
Structure: Heat-sealed on the four sides of the side and the four sides of the bottom, square and three-dimensional, printed on five sides.
Features: Exquisite design, strong impact resistance, and high-end texture.
Applicable products: chocolate, health food, high-end gift boxes.
6. Special-shaped bags
Structure: Non-standard customized shapes (such as trapezoidal, hexagonal, animal-shaped).
Features: Differentiated and eye-catching, strengthening brand memory points.
Applicable products: Children's snacks, festival limited editions, and internet-famous bestsellers.