What are the types of alien bags?

Alien bags, as a type of packaging bag with unique shapes and designs, are widely used in various industries, including food, electronics, daily chemical, etc. The following are the main types of irregular bags, which are introduced in detail according to different classification methods:
1、 Classified by material structure:
Pure aluminum composite bag: made of composite materials such as OPP/AL/PE or PET/AL/PE, it has excellent moisture resistance, oxygen barrier, and light shielding properties, and is commonly used for products with high packaging requirements such as food and medicine.
Aluminum coated composite bag: made of PET/VMPET/PE or VMPET/CPP composite materials, with a layer of metal aluminum coating on the surface, which has good UV protection and moisture resistance. It is commonly used in daily chemical products, electronic products, etc.
2、 Classified by function:
Anti static shielding electronic product packaging bag: made of special materials, it has functions such as anti-static and shielding electromagnetic radiation, protecting electronic products from static electricity and electromagnetic interference, ensuring the safety and stability of the product.
UV resistant packaging bags for daily chemical products: made of UV resistant materials, effectively preventing UV damage to daily chemical products and maintaining product quality and effectiveness.
3、 Classified by process structure:
Two layer composite: such as OPP/VMPET and VMPET/PE structures, commonly used in toy packaging and biscuit packaging, with excellent moisture and oxygen barrier properties.
Three layer composite: such structures as MATOPP/VMPET/PE and OPP/VMPET/PE are commonly used in facial mask bags and shampoo bags to provide stronger protection and stability.
Four layer composite: For structures such as PET/NY/VMPET/PE, nylon film is generally added to increase the softness and durability of the composite bag.
4、 Classified by bag type:
Three sided sealing: The three sides of the bag are heat sealed to form a closed space, commonly used for packaging food, medicine, and other items.
Self standing bag: With a supporting structure at the bottom, the bag can stand on its own without collapsing, commonly used for packaging liquid products such as beverages, sauces, etc.
Self standing suction nozzle bag: Adding a suction nozzle design on the basis of the self standing bag, making it convenient to pour and access the internal liquid.
Irregular self-supporting bag: A self-supporting bag with a special shape, such as trapezoid, ellipse, etc., that can be customized according to product characteristics and needs.