Four-side Sealing Bag: Features & Applications

Four-side sealing bags feature excellent 3D shape, strong barrier and protective performance, anti-counterfeiting and shelf-display advantages, and are widely used in food, daily and industrial packaging with diverse film materials.

Four-side sealing bags are made by sealing four edges of film, featuring outstanding performance and wide usability. Here are their core advantages and application scope:

Core Features
1. Excellent 3D shape: Forms a cube after packing, maximizes space utilization and supports food preservation & repeated use.
2. High durability: Effectively prevents bursting and ensures reliable sealing.
3. Premium display & anti-counterfeiting: Supports advanced printing, highlights trademarks and patterns, and enhances shelf appeal with anti-counterfeiting effects.
4. Superior barrier performance: Good heat resistance, moisture-proof, low oxygen permeability, ideal for vacuum packaging and high-efficiency heat sealing.
5. Strong protection: Anti-static and environmental isolation, effectively extends product shelf life.

Main Materials
OPP, CPP, PET, Nylon, aluminum-plated film, PE, PP, CPE, PO, PVC, etc.

Application Scope
Widely used for snack foods, powdered products, dried fruits, tea and other food items.

Suitable for food manufacturers, daily packaging, express delivery, and environmental protection packaging.
With cube-shaped 3D design, it achieves hygiene, preservation and extended shelf life, making it ideal for high-end food packaging with outstanding shelf display effects.